Patents by Inventor Donald C. Brinkerhoff

Donald C. Brinkerhoff 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).

  • Planting basket
    Patent number: D322232
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: December 10, 1991
    Assignee: Donald C. Brinkerhoff
    Inventor: Donald C. Brinkerhoff