Patents by Inventor Darrow D. Thompson

Darrow D. Thompson 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: 5432298
    Abstract: Apparatus for temporarily covering at least a portion of an electrical socket or switch having a housing includes a main panel and panels connected to the main panel and extending laterally from the main panel to form a recess. When a portion of the electrical socket or switch is positioned in the recess at least some of the panels are in clamping engagement with the electrical socket or switch. Accordion pleats integral with the main panel and panels connected to the main panel provide flexibility, enabling the apparatus to be connected to a variety of electrical sockets and switches.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: July 11, 1995
    Inventor: Darrow D. Thompson
  • Patent number: 4962722
    Abstract: An adjustable protection shield for preventing a non-designated area of a building's surface from being accidentally covered with a coating material is disclosed whereby a protection blade is secured in an adjustable blade holder. The adjustable blade holder has a first hinge component having a blade anchoring member for accepting the protection blade and a first hinge mate member projecting from the blade anchoring member. A second hinge component of the blade holder, comprising a handle/extension handle attachment member and a second hinge mate member, is adjustably connected to the first hinge component by contacting a mating surface on each of the hinge mate members and securing at a desired angular position with a hinge fastening means.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: October 16, 1990
    Inventor: Darrow D. Thompson