Patents by Inventor David J. DeRoode

David J. DeRoode 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).

  • Instrument performance verification system
    Patent number: 5781024
    Abstract: A device and method for testing and monitoring, either manually or automatically, the performance of various components electrically linked to the electronic circuitry of a diagnostic instrument. Components of the electrical circuitry, including potentiometric operational amplifiers and a multi-channel connector, are tested for leakage current, A/D reference voltage, edge connector contact resistance and background noise.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: July 14, 1998
    Assignee: Diametrics Medical, Inc.
    Inventors: Scott E. Blomberg, James D. Kurkowski, David J. DeRoode