Patents by Inventor Richard W. Agge

Richard W. Agge 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).

  • Patent number: 4133251
    Abstract: Control apparatus is provided for a mechanism which has first, second and third work elements each movable between a first position at which the work element is fully retracted and a second position at which the work element is fully extended. The control apparatus includes a single lever device for controllably moving one of the work elements between the first and second positions while maintaining the other work elements in preselected positions in response to controllably directing a pressurized fluid.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: January 9, 1979
    Assignee: Caterpillar Tractor Co.
    Inventors: Richard W. Agge, Kenneth W. Kelly