Patents by Inventor Hoyt R. Colbaugh

Hoyt R. Colbaugh 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: 5221814
    Abstract: A face plate for blind mounting a switch or other device to either a bracket or a wall including an anchor carried by the face plate operable upon rotation in one direction to pull the face plate against the edges of the hole defined in the wall or bracket, whereby to clamp such face plate to the wall or bracket, and operable upon rotation in an opposite direction to release the clamping of the face plate and permit removal of the face plate and device from the wall.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: June 22, 1993
    Assignee: AMP Incorporated
    Inventors: Hoyt R. Colbaugh, Robert W. Pitts