Patents by Inventor Jack D. Dollen

Jack D. Dollen 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: D256732
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: September 2, 1980
    Inventor: Jack D. Dollen