Patents by Inventor Charles R. Leach

Charles R. Leach 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).

  • Machine control foot pedal or the like
    Patent number: D254488
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: March 18, 1980
    Assignee: International Business Machines Corporation
    Inventors: Vincent Giannotti, Jr., Charles R. Leach