Patents by Inventor Karen Lee Sherman

Karen Lee Sherman 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).

  • Tool for removing bases of broken light bulbs
    Patent number: 5937714
    Abstract: An improved tool for extracting the base of a broken light bulb from a socket. An integral device has a cylindrical stem portion with an enlarged handle at one end and a tapered conical portion with a flat tip at the other. The tapered conical portion has toothed blade members embedded in slots thereon, with the toothed edges facing outward. Two such blades are longitudinally disposed at diametrically opposed locations of the conical portion, and a shorter blade member is horizontally disposed on the flat tip thereof.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: August 17, 1999
    Inventors: Shell Steven Sherman, Karen Lee Sherman