Patents by Inventor Brian E. Berger

Brian E. Berger 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).

  • Measuring instrument
    Patent number: 4270273
    Abstract: A measuring instrument, preferably for determining the mean arterial blood pressure from a graph containing values of systolic pressure and diastolic pressure. The instrument comprises a compass having a pair of outer legs and a single intermediate leg disposed therebetween. The outer legs are arranged to enable the distance between outer ends thereof to be manually varied. A proportioning mechanism maintains an outer end of the intermediate leg at a constant ratio, preferably one-third, of the distance between the outer legs.
    Type: Grant
    Filed: October 30, 1979
    Date of Patent: June 2, 1981
    Assignee: A. H. Robins Company, Inc.
    Inventor: Brian E. Berger