Patents by Inventor Carlyn F. Larson

Carlyn F. Larson 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).

  • Cap cover for keyboard keys
    Patent number: 5193924
    Abstract: The invention is a cap cover for keyboard keys comprising a generally rectangular in the horizontal plane hollow box with a closed end and an open end, said open end being adapted to rest on a base plate or a grid plate of a keyboard, and said hollow box being adapted to receive keys or sets of keys through its open end.
    Type: Grant
    Filed: August 8, 1991
    Date of Patent: March 16, 1993
    Inventor: Carlyn F. Larson