Patents by Inventor James A. Frame

James A. Frame 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).

  • Hydraulic thrust producing implement
    Patent number: 5249378
    Abstract: A submersible thrust producing implement for use in combination with an excavator, the excavator being of the type having a boom and a stick with an attachment end on the stick for attaching the implement, which boom and stick can be extended and retracted to selectively submerge the attachment end to a predetermined location in a body of water, and having a hydraulic power system for actuating the boom, the stick, and the implement.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: October 5, 1993
    Inventor: James A. Frame