Patents by Inventor Dave Youngquist

Dave Youngquist 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).

  • Dual actuation photoelectric foot switch
    Patent number: 5166513
    Abstract: A dual actuation foot switch particularly suited to medical laser systems is disclosed. The foot switch includes a housing having an opening for receiving a foot. A first switch is provided which is actuated by the placement of the foot into the housing. A second switch is actuated by pressure from the user's foot. The dual actuation feature can be used to initiate two different responses from the medical laser system.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: November 24, 1992
    Assignee: Coherent, Inc.
    Inventors: Peter B. Keenan, Dave Youngquist