Patents by Inventor David W. Wilner

David W. Wilner 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: 5353667
    Abstract: A combination tool and fastener in which the fastener has a head portion and a threaded screw portion. An aperture is formed in the head portion. The aperture has a first portion of constant dimension recessed inwardly from the head portion A second portion of the aperture is recessed an additional distance beyond the end of the first portion and is increased in dimension The tool is provided with an engaging portion which is insertable through the first aperture portion and lockingly engageable within the second aperture portion so as to enable the tool to rotate the fastener in either direction.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: October 11, 1994
    Inventor: David W. Wilner