Patents by Inventor Curtis D. Coombs

Curtis D. Coombs 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).

  • Ammunition magazine
    Patent number: D888180
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 23, 2020
    Inventors: Colby A. Coombs, Curtis D. Coombs, Mickey D. Coombs, James P. Erickson