Patents by Inventor Leonard C. Ross

Leonard C. Ross 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).

  • Pneumatic apparatus for actuating metal shear
    Patent number: 4506578
    Abstract: An apparatus for applying pneumatic force to a work piece comprising a pneumatic cylinder mechanism including a flexible diaphragm member for applying pneumatic force to a reciprocally mounted piston rod member for transferring force to a working tool element for applying working force to a work piece.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: March 26, 1985
    Inventors: Harold S. Gaines, Leonard C. Ross