Patents by Inventor Donn Colman

Donn Colman 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: D290081
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: June 2, 1987
    Assignee: The Porter Coffee Company
    Inventor: Donn Colman