Patents by Inventor Forrest E. McMahan

Forrest E. McMahan 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).

  • Building block
    Patent number: D254450
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: March 11, 1980
    Inventors: Herschel F. Pulse, William F. McSherry, Forrest E. McMahan