Patents by Inventor Everette R. Keith

Everette R. Keith 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).

  • Test device for blood pressure monitor
    Patent number: 4301512
    Abstract: A device for testing the operability of a blood pressure monitor. The device includes a signal generator for generating a plurality of different output signals simulating a variety of static blood pressure levels. A plurality of display devices are included, each device corresponding to one of the given static blood pressure levels. Control circuitry coupled to a single push button switch simultaneously selects a different blood pressure level to be generated and energizes its corresponding display device upon each sequential activation of the switch.
    Type: Grant
    Filed: November 9, 1979
    Date of Patent: November 17, 1981
    Assignee: The Valeron Corporation
    Inventors: Everette R. Keith, Kenneth J. Cook, Joseph S. Power, Frederick B. Ruszala