Patents by Inventor Karen L. Martin

Karen L. Martin 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).

  • Shoring guard
    Patent number: 5232313
    Abstract: A finger guard for attachment to a shoring device made from a flexible material. The guard has a shield to protect the user's fingers and is held in place by a removable hinge pin which inserts into the shoring device.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: August 3, 1993
    Inventors: Charles B. Jennings, Gregory L. George, Karen L. Martin