Patents by Inventor Raymond E. Porter

Raymond E. Porter 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).

  • Clutch pulley measuring device
    Patent number: D247849
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: May 9, 1978
    Inventors: William C. Pierce, Raymond E. Porter