Patents Assigned to Frank W. Jackson
  • Exercise S-T segment evaluator
    Patent number: 4552156
    Abstract: An overlay device for use with an electrocardiogram and the method of use thereof, for evaluating the normalcy of the S-T segment in an exercise test program.
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: November 12, 1985
    Assignee: Frank W. Jackson
    Inventor: Frank W. Jackson
  • Endoscopic bite block
    Patent number: D283158
    Type: Grant
    Filed: April 8, 1983
    Date of Patent: March 25, 1986
    Assignee: Frank W. Jackson
    Inventor: Frank W. Jackson