Patents by Inventor Curtis E. McMarrell

Curtis E. McMarrell 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: D342284
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: December 14, 1993
    Inventor: Curtis E. McMarrell