Patents by Inventor Robert L. Parshall

Robert L. Parshall 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).

  • Toy cart
    Patent number: D309968
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: August 14, 1990
    Inventor: Robert L. Parshall
  • Children's cart
    Patent number: D341460
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: November 16, 1993
    Assignee: Clifcraft Manufacturing Company Inc.
    Inventors: Robert L. Parshall, David A. McCluskey