Patents by Inventor Derek A. Bothwell

Derek A. Bothwell 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: D332039
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: December 29, 1992
    Inventor: Derek A. Bothwell