Patents by Inventor Duane D. Priest

Duane D. Priest 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).

  • Mechanically limited rotational apparatus
    Patent number: 3990314
    Abstract: Digital indicating means for displaying two series of numbers, one of which commences repeating. The repeating series of numbers is limited in rotation in the embodiment shown between 360.degree. and 720.degree. by a bi-positional pawl cam-follower which interacts with two stops on a cam. The pawl displays one series of digits while the cam displays a second series of digits.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: November 9, 1976
    Assignee: Rockwell International Corporation
    Inventor: Duane D. Priest