Patents by Inventor by Marion C. Larned, executrix

by Marion C. Larned, executrix 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).

  • Switch guard
    Patent number: D372224
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: July 30, 1996
    Inventors: Robert L. Larned, deceased, by Marion C. Larned, executrix