Patents by Inventor David L. Haygood

David L. Haygood has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7828664
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip. At least one, and preferably both, lateral edges of the metal ribbon are knurled or serrated so as to assist in anchoring the ribbon to the sleeve.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: November 9, 2010
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 7419212
    Abstract: Protective strips for use in the manufacture of upholstered furniture include a fastening strip portion, a cover strip portion and a hinge portion which flexibly connects the fastening and cover strip portions to one another. In use, the protective strips may be positioned such that a portion of the upholstery fabric is sandwiched between the fastening strip portion thereof and a portion of the furniture frame to which the fabric is to be attached. Suitable fasteners (e.g., staples, tacks, nails, brads and like fasteners) may then be physically driven through the fastening strip portion and the underlying fabric portion into the furniture frame and thereby fasten the fabric portion physically to the frame. Once the fastening strip portion has been fastened to the furniture frame, the remaining fabric portion may be doubled over the fastened tail portion which in turn causes the cover strip portion to be folded over the fastening strip portion.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: September 2, 2008
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 7200916
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip. At least one, and preferably both, lateral edges of the metal ribbon are knurled or serrated so as to assist in anchoring the ribbon to the sleeve.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: April 10, 2007
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 6989186
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip. At least one, and preferably both, lateral edges of the metal ribbon are knurled or serrated so as to assist in anchoring the ribbon to the sleeve.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: January 24, 2006
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 6857178
    Abstract: An upholstery tack strip includes a thermoplastic sleeve and a metal ribbon embedded within the sleeve. The sleeve itself includes a plurality of removed material sections forming opposed pairs of sleeve windows, while the metal ribbon integrally includes nail sections which protrude outwardly from the tack strip through respective ones of the sleeve windows. Most preferably, the sleeve is extrusion-coated onto the metal ribbon stock using a cross-head die. The thus-coated metal strip preform may then be transferred to downstream fabrication operations whereby the sleeve windows and nail portions are formed. Since the nail portions protrude outwardly from the tack strip through the sleeve windows, relative lengthwise slippage between the metal ribbon stock and the sleeve is prevented.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: February 22, 2005
    Inventors: David L. Haygood, Gary T. Schwertner
  • Publication number: 20040177490
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip. At least one, and preferably both, lateral edges of the metal ribbon are knurled or serrated so as to assist in anchoring the ribbon to the sleeve.
    Type: Application
    Filed: March 25, 2004
    Publication date: September 16, 2004
    Inventors: David L. Haygood, Gary T. Schwertner
  • Publication number: 20040001936
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip. At least one, and preferably both, lateral edges of the metal ribbon are knurled or serrated so as to assist in anchoring the ribbon to the sleeve.
    Type: Application
    Filed: May 5, 2003
    Publication date: January 1, 2004
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 6647610
    Abstract: An upholstery tack strip includes a metal ribbon and a thermoplastic sleeve covering at least a portion of the ribbon. The sleeve includes at least one, and possibly a pair of, lengthwise removed strip section(s) so as to expose a corresponding lengthwise surface of the metal ribbon. The metal ribbon integrally includes nail sections which protrude outwardly from said tack strip.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: November 18, 2003
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 6537646
    Abstract: An upholstery tack strip includes a thermoplastic sleeve and a metal ribbon embedded within the sleeve. The sleeve itself includes a plurality of removed material sections forming opposed pairs of sleeve windows, while the metal ribbon integrally includes nail sections which protrude outwardly from the tack strip through respective ones of the sleeve windows. Most preferably, the sleeve is extrusion-coated onto the metal ribbon stock using a cross-head die. The thus-coated metal strip preform may then be transferred to downstream fabrication operations whereby the sleeve windows and nail portions are formed. Since the nail portions protrude outwardly from the tack strip through the sleeve windows, relative lengthwise slippage between the metal ribbon stock and the sleeve is prevented.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: March 25, 2003
    Inventors: David L. Haygood, Gary T. Schwertner
  • Publication number: 20020185773
    Abstract: An upholstery tack strip includes a thermoplastic sleeve and a metal ribbon embedded within the sleeve. The sleeve itself includes a plurality of removed material sections forming opposed pairs of sleeve windows, while the metal ribbon integrally includes nail sections which protrude outwardly from the tack strip through respective ones of the sleeve windows. Most preferably, the sleeve is extrusion-coated onto the metal ribbon stock using a cross-head die. The thus-coated metal strip preform may then be transferred to downstream fabrication operations whereby the sleeve windows and nail portions are formed. Since the nail portions protrude outwardly from the tack strip through the sleeve windows, relative lengthwise slippage between the metal ribbon stock and the sleeve is prevented.
    Type: Application
    Filed: June 27, 2002
    Publication date: December 12, 2002
    Inventors: David L. Haygood, Gary T. Schwertner
  • Publication number: 20020187301
    Abstract: An upholstery tack strip includes a thermoplastic sleeve and a metal ribbon embedded within the sleeve. The sleeve itself includes a plurality of removed material sections forming opposed pairs of sleeve windows, while the metal ribbon integrally includes nail sections which protrude outwardly from the tack strip through respective ones of the sleeve windows. Most preferably, the sleeve is extrusion-coated onto the metal ribbon stock using a cross-head die. The thus-coated metal strip preform may then be transferred to downstream fabrication operations whereby the sleeve windows and nail portions are formed. Since the nail portions protrude outwardly from the tack strip through the sleeve windows, relative lengthwise slippage between the metal ribbon stock and the sleeve is prevented.
    Type: Application
    Filed: June 8, 2001
    Publication date: December 12, 2002
    Inventors: David L. Haygood, Gary T. Schwertner
  • Patent number: 4978700
    Abstract: Extrudable anti-static polyvinyl chloride (PVC) compositions include a quaternary ammonium compound as an anti-static agent, and a barium-cadmium-zinc component as a stablizing agent. The barium-cadmium-zinc component has been found to be critically required in order for the compositions to be processable (e.g., via extrusion) while retaining their desired anti-static characteristics. Shaped articles (e.g., floor mats, door strippings, and the like) may be formed from the compositions of this invention, and use in environments where static-charge dissipation is desired (e.g., computer rooms, hospitals, and the like).
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: December 18, 1990
    Assignee: Edward S. Robbins, III
    Inventor: David L. Haygood