Patents by Inventor Charles A. Pittman, III

Charles A. Pittman, III 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).

  • Direct current electric motors
    Patent number: D287715
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: January 13, 1987
    Assignee: Penn Engineering & Manufacturing Corp.
    Inventors: Charles A. Pittman, III, Howard Hendricks