Patents by Inventor Dirk B. Call

Dirk B. Call 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 apparatus and method for blood pressure measuring equipment
    Patent number: 5016466
    Abstract: The present invention discloses apparatus and method for testing and verifying the accuracy of non-invasive and invasive blood pressure measuring equipment. The apparatus includes pneumatic and electronic components that simulate the delivery of systolic and diastolic pressures to a mock human member and further includes a monitoring portion for displaying the response of the blood pressure measuring equipment under test.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: May 21, 1991
    Inventors: Dale C. Ness, Dirk B. Call