Patents Assigned to Teknar, Inc.
  • System for ultrasonically detecting the relative position of a moveable device
    Patent number: 4543649
    Abstract: An ultrasonic system is responsive to the relative position of a movable device within a fluid-filled structure. A transducer transmits ultrasonic signals from a location fixed within the structure to the device for reflection thereby and for picking up the reflected signals.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: September 24, 1985
    Assignee: Teknar, Inc.
    Inventors: Kenneth O. Head, Arthur E. Bollinger
  • Ultrasonic ocular biometry unit
    Patent number: D271136
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: October 25, 1983
    Assignee: Teknar, Inc.
    Inventors: Arthur E. Bollinger, Kenneth O. Head