Patents by Inventor Robert W. Brown, Jr.

Robert W. Brown, Jr. 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).

  • Method of attaching a tampon withdrawal cord with an overhand hitch knot
    Patent number: 5566435
    Abstract: An improved knot for attachment of withdrawal cords to tampons is provided. The knot comprises at least two closed loops around a portion of a length of absorbent material. The standing parts of the cord cross at least twice, to form a crossed portion at the base of the loops; a loop portion overlies the crossed portion when the knot is in place around the absorbent material, applying pressure to the crossed portion when the knot is tightened. The invention also features a process for forming the knot.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: October 22, 1996
    Assignee: Tambrands Inc.
    Inventor: Robert W. Brown, Jr.
  • Spirally wound tampon with overwrap
    Patent number: 5185010
    Abstract: A tampon is provided which includes an absorbent material (12) wound in a spiral configuration, the outermost winding (18) of the spiral having a liquid permeable overwrap material (10) disposed thereon, a portion of said overwrap being folded over the edge (18) of the spiral which corresponds to the withdrawal end of the tampon and adhered (seal 16) to the inside surface (13) of the outermost winding.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: February 9, 1993
    Assignee: Tambrands Inc.
    Inventor: Robert W. Brown, Jr.
  • Self drilling screw
    Patent number: 5141376
    Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: August 25, 1992
    Assignee: Emhart Inc.
    Inventors: John J. Williams, Frank Piacenti, William H. Sublett, Robert W. Brown, Jr.
  • Masonry screw anchor
    Patent number: 5061136
    Abstract: A masonry screw anchor having two different constant diameter shank portions connected via a taper. Each portion has a set of constant diameter threads and intermediate smaller diameter protrusions with the threads and protrusions on the larger diameter shank portion being larger in diameter than the diameter of the threads and protrusions on the smaller diameter portion.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: October 29, 1991
    Assignee: Emhart Inc.
    Inventors: Tony L. Dixon, David E. Starke, Frank Piacenti, Robert W. Brown, Jr.
  • Masonry screw anchor
    Patent number: RE34969
    Abstract: A masonry screw anchor having two different constant diameter shank portions connected via a taper. Each portion has a set of constant diameter threads and intermediate smaller diameter protrusions with the threads and protrusions on the larger diameter shank portion being larger in diameter than the diameter of the threads and protrusions on the smaller diameter portion.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: June 13, 1995
    Assignee: Emhart Inc.
    Inventors: Tony L. Dixon, David E. Starke, Frank Piacenti, Robert W. Brown, Jr.