Patents by Inventor William K. Brubaker

William K. Brubaker 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: 5077850
    Abstract: A utility device for a key ring which serves a plurality utilities, including key ring anchorage, bottle cap opener, screw driver, hook and item holder with respect to another object. The utility device has a generally C-shaped structure having a central open space defined by interior walls of a main member, two cross members and two opposed tabs. A hole is provided in the C-shaped structure to permit a key ring (key chain and the like) to be connected thereto. The distance between facing ends of the tabs is preselected to permit the ends to cooperate so that a user can leverably act on a bottle cap to open a capped bottle. One external corner of the C-shaped structure is preferred to be provided with a flat, beveled blade edge to serve as a screwdriver blade. It is further preferred for a portion of the interior walls to have a predetermined contour which servies to assist hooking of the C-shaped structure onto an object.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: January 7, 1992
    Inventor: William K. Brubaker