Patents by Inventor Robert P. Patterson

Robert P. Patterson 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).

  • Method and apparatus for measuring the isometric muscle strength of multiple muscle groups in the human body
    Patent number: 4702108
    Abstract: An apparatus and method for isometric muscle strength testing using a chair apparatus (40) having a support frame structure (42), a seat assembly (46), a foot rest assembly (60) and load cells (100) interconnected to the support frame structure (42) for measuring the isometric force exerted by any of a plurality of muscle groups in a human subject's body. The load cells (100) are possibly positioned on six track systems; a posterior track (80a), left and right lateral tracks (80b,c) an anterior track (80d), a forward upper track (80e) and a forward lower track (80f) to enable alignment with the muscle group selected for testing.
    Type: Grant
    Filed: February 4, 1986
    Date of Patent: October 27, 1987
    Assignees: Regents of the Univ. of Minnesota, Twin City Surgical, Inc.
    Inventors: Louis R. Amundsen, Robert P. Patterson, Tanya L. Baxter, Glenn N. Scudder, Wayne O. Duescher, Willis E. Dahlman, Gary W. Schukar, Clarence I. Steinback
  • Impedance plethysmograph
    Patent number: RE30101
    Abstract: .Iadd.Cardiac output is measured by connecting excitation electrodes at the upper and lower ends of the thorax of a mammalian subject, connecting measuring electrodes to the thorax between the excitation electrodes, applying a constant fluctuating excitation current to the excitation electrodes, measuring, with appropriate circuitry, changes in impedance within the thorax, and simultaneously measuring the beginning and end of systole, and determining cardiac output by measuring the maximum decreasing impedance slope during systole..Iaddend.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: September 25, 1979
    Assignee: Regents of the University of Minnesota
    Inventors: William G. Kubicek, Edwin Kinnen, Robert P. Patterson, David A. Witsoe