Patents by Inventor James M. Tipke

James M. Tipke 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).

  • Wheeled material carrier
    Patent number: 4729574
    Abstract: A wheeled material carrier convertible for use as a hand cart or as a vehicular trailer. The carrier is provided with side members having downwardly open sockets at their front edges. Interchangeable support member can be readily mounted to the wheeled material carrier. They can be selected from rigid legs releasably mounted in the sockets, a bicycle hitch having forwardly extending hitch members releasably mounted in the sockets, or a utility hitch having two forwardly extending hitch members releasably mounted in the sockets and a central hitch member releasably attached to a handle extending across the front of the carrier.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: March 8, 1988
    Assignee: Tipke Manufacturing Co., Inc.
    Inventor: James M. Tipke
  • Vehicle frame
    Patent number: D250944
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: January 30, 1979
    Assignee: Western Rickshaws, Inc.
    Inventors: George C. Moore, Jodele Moore, James M. Tipke
  • Three-wheeled vehicle frame
    Patent number: D253407
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: November 13, 1979
    Inventors: George C. Moore, Jodele Moore, James M. Tipke
  • Three-wheeled vehicle
    Patent number: D254968
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: May 13, 1980
    Inventors: George C. Moore, Jodele Moore, James M. Tipke
  • Outboard motor cart
    Patent number: D301654
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: June 13, 1989
    Assignee: Tipke Manufacturing Co., Inc.
    Inventor: James M. Tipke