Patents by Inventor David Wortner

David Wortner 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: 5613817
    Abstract: A tack strip assembly for use in securing upholstery fabric to furniture or the like includes an elongate metal tack strip and an elongate protective vinyl or other suitable plastic sleeve which generally surrounds the tack strip. The tack strip has a base portion and a plurality of integrally formed, spaced tacks which extend outwardly from the base portion and a plurality of spaced apertures in the base portion. The sleeve has a bottom portion which generally overlays a bottom surface of the base portion and portions which overlay the side edges and portions of the top surface of the base portion. The sleeve has a tab or a plurality of tabs formed in its bottom surface, each of which extends into an aperture in the base portion to restrain relative endwise movement between the sleeve and the base portion and to minimize the possibility of the sleeve from detaching from the tack strip.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: March 25, 1997
    Assignee: Handy Button Machine Company
    Inventors: E. Dan Bush, David Wortner