Patents by Inventor David Wojtowicz

David Wojtowicz 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: 7252202
    Abstract: A cargo rack utilizing structural beams, structural beams used in a framework comprising a plurality of vertical posts with either key shaped apertures or slots and a plurality of horizontal shelving members, structural beams contain either circular apertures when corresponding vertical post contains key shaped apertures or fingers when corresponding vertical post contains slots enabling structural beams to connect to vertical posts, thus allowing horizontal shelving members to be associated with structural beams and vertical posts.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: August 7, 2007
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Bruce Saltzberg, David Wojtowicz, Jeffery L. Lamber, Thomas J. St. Germain, Anthony J. Troyner, Mitchell E. Bianchin
  • Patent number: 7128225
    Abstract: A cargo rack utilizing a structural beam in the form of three embodiments, two of the embodiments comprising a rib, one of which includes a recessed flange and a horizontal return flange, the other includes a standard angled flange and an angled return flange, the third embodiment includes a recessed flange and a horizontal return flange, structural beams used in a framework comprising a plurality of vertical posts containing key shaped apertures and a plurality of horizontal shelving members, structural beams contain nubs enabling structural beams to connect to vertical posts via key shaped apertures thereby enabling horizontal shelving members to be associated with structural beams and vertical posts, various attachments may be added to cargo rack when recessed structural beams are used via a slight clearance that is formed between the recessed edge and a slight taper on horizontal shelving member sides.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: October 31, 2006
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Bruce Saltzburg, David Wojtowicz, Jeffery L. Lamber, Thomas J. St. Germain, Anthony J. Troyner, Mitchell E. Bianchin
  • Publication number: 20050103733
    Abstract: A cargo rack utilizing a structural beam in the form of three embodiments, two of the embodiments comprising a rib, one of which includes a recessed flange and a horizontal return flange, the other includes a standard angled flange and an angled return flange, the third embodiment includes a recessed flange and a horizontal return flange, structural beams used in a framework comprising a plurality of vertical posts containing key shaped apertures and a plurality of horizontal shelving members, structural beams contain nubs enabling structural beams to connect to vertical posts via key shaped apertures thereby enabling horizontal shelving members to be associated with structural beams and vertical posts, various attachments may be added to cargo rack when recessed structural beams are used via a slight clearance that is formed between the recessed edge and a slight taper on horizontal shelving member sides.
    Type: Application
    Filed: November 17, 2003
    Publication date: May 19, 2005
    Inventors: Bruce Saltzberg, David Wojtowicz, Jeffery Lamber, Thomas St. Germain, Anthony Troyner, Mitchell Bianchin
  • Publication number: 20050103734
    Abstract: A cargo rack utilizing structural beams, structural beams used in a framework comprising a plurality of vertical posts with either key shaped apertures or slots and a plurality of horizontal shelving members, structural beams contain either circular apertures when corresponding vertical post contains key shaped apertures or fingers when corresponding vertical post contains slots enabling structural beams to connect to vertical posts, thus allowing horizontal shelving members to be associated with structural beams and vertical posts.
    Type: Application
    Filed: April 13, 2004
    Publication date: May 19, 2005
    Inventors: Bruce Saltzberg, David Wojtowicz, Jeffery Lamber, Thomas St. Germain, Anthony Troyner, Mitchell Bianchin
  • Patent number: D569143
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: May 20, 2008
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D571133
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: June 17, 2008
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D571589
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: June 24, 2008
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D572053
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: July 1, 2008
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D572054
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: July 1, 2008
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitch Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D585680
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: February 3, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D585681
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: February 3, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D585682
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: February 3, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D587046
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: February 24, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitch Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D597353
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: August 4, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D604537
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: November 24, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz
  • Patent number: D604538
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: November 24, 2009
    Assignee: Edsal Manufacturing Co., Inc.
    Inventors: Mitchell Liss, Tony Troyner, Thomas St. Germain, David Wojtowicz