Patents by Inventor David B. Gamble

David B. Gamble 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).

  • Mobile crane
    Patent number: D251062
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: February 13, 1979
    Assignee: Harnischfeger Corporation
    Inventors: Raymond J. Wacht, Ram N. Rathi, David B. Gamble