Patents by Inventor David J. Wojtowicz

David J. 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: 10299594
    Abstract: A tie bar for connecting two horizontal beams includes first and second elongate walls arranged parallel to each other, and a third elongate wall arranged perpendicular to the first and second elongate walls and coupled to a lateral side of each of the first and second elongate walls. The tie bar further includes at least one pair of hook elements positioned at terminal ends of at least one of the first, second, or third elongate walls. Each of the hook elements includes a depending tab configured to be received by an elongate slot of a horizontal beam of a shelving unit. The first and second elongate walls may be top and bottom walls, respectively, the third elongate wall may be a side wall, and the at least one pair of hook elements may include first and second hook elements positioned on the second elongate wall.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 28, 2019
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Mitchell Liss, David J. Wojtowicz, Anthony J. Troyner, Jeff Lamber, Mitchell E. Bianchin, Scott Fitzgerald
  • Publication number: 20180279782
    Abstract: A tie bar for connecting two horizontal beams includes first and second elongate walls arranged parallel to each other, and a third elongate wall arranged perpendicular to the first and second elongate walls and coupled to a lateral side of each of the first and second elongate walls. The tie bar further includes at least one pair of hook elements positioned at terminal ends of at least one of the first, second, or third elongate walls. Each of the hook elements includes a depending tab configured to be received by an elongate slot of a horizontal beam of a shelving unit. The first and second elongate walls may be top and bottom walls, respectively, the third elongate wall may be a side wall, and the at least one pair of hook elements may include first and second hook elements positioned on the second elongate wall.
    Type: Application
    Filed: March 27, 2018
    Publication date: October 4, 2018
    Inventors: Mitchell Liss, David J. Wojtowicz, Anthony J. Troyner, Jeff Lamber, Mitchell E. Bianchin, Scott Fitzgerald
  • Patent number: 9474370
    Abstract: A dual function shelf unit has identical support columns, horizontal shelf-supporting beams adjustably-mounted on the columns for vertical shelf adjustment and one or more hooks also mountable on at least one column. The columns have apertures with complementary apertures having opposed inclined edges for accepting a beam-end bracket from either side of the column and tabs for accepting mounting flanges of hooks. Both beam-end brackets and hooks are each mounted in two vertically-spaced apertures. Vertically adjustable shelf and hook storage is provided.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: October 25, 2016
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitch Liss
  • Patent number: 9439508
    Abstract: A post coupler includes coupler flanges, reverse bend flanges extending therealong and rounded end projections extending longitudinally from said coupler flanges defining ends of the coupler, the length of the reverse bend flanges being less than the overall coupler length between ends of the rounded end projections.
    Type: Grant
    Filed: July 16, 2011
    Date of Patent: September 13, 2016
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: David J. Wojtowicz, Thomas St. Germain, Mitchell Liss, Al Dunaj
  • Patent number: 9375102
    Abstract: A shelving unit includes formed front and rear beams providing shelf supporting and lower flanges, respectively. A C-shaped tie bar extends centrally between respective front and rear beams and is captured between the beam flanges with tie bar ends engaging the beams providing loaded shelf support and resisting loaded beam twisting.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: June 28, 2016
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, David J. Wojtowicz, Thomas St. Germain, Antonio Luis Escalante
  • Publication number: 20150359331
    Abstract: A dual function shelf unit has identical support columns, horizontal shelf-supporting beams adjustably-mounted on the columns for vertical shelf adjustment and one or more hooks also mountable on at least one column. The columns have apertures with complementary apertures having opposed inclined edges for accepting a beam-end bracket from either side of the column and tabs for accepting mounting flanges of hooks. Both beam-end brackets and hooks are each mounted in two vertically-spaced apertures. Vertically adjustable shelf and hook storage is provided.
    Type: Application
    Filed: April 23, 2015
    Publication date: December 17, 2015
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitch Liss
  • Patent number: 9101216
    Abstract: A variable configuration shelving apparatus including shelf-supporting reversible beams. In one position, beam top edges are flush with a shelf thereon. In another position, the beams form upstanding lips about a shelf. Beam structure is included.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: August 11, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitch Liss, Al Dunaj
  • Patent number: D732858
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: June 30, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, David J. Wojtowicz, Scott Fitzgerald
  • Patent number: D732863
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: June 30, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitchell Liss
  • Patent number: D733470
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: July 7, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, David J. Wojtowicz, Scott Fitzgerald
  • Patent number: D733473
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: July 7, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitchell Liss
  • Patent number: D737613
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: September 1, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitch Liss
  • Patent number: D738653
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: September 15, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, Antonio Luis Escalante, David J. Wojtowicz, Mitchell Liss
  • Patent number: D742141
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: November 3, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitch Liss, Al Dunaj
  • Patent number: D742150
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: November 3, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitch Liss, Al Dunaj
  • Patent number: D742668
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: November 10, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, David J. Wojtowicz, Scott Fitzgerald
  • Patent number: D743193
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: November 17, 2015
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Anthony J. Troyner, David J. Wojtowicz, Scott Fitzgerald
  • Patent number: D798090
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: September 26, 2017
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitchell Liss, Al Dunaj
  • Patent number: D808199
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 23, 2018
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitchell Liss, Al Dunaj
  • Patent number: D859893
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: September 17, 2019
    Assignee: Edsal Manufacturing Company, Inc.
    Inventors: Scott Fitzgerald, David J. Wojtowicz, Thomas St. Germain, Mitchell Liss, Al Dunaj