Patents Assigned to The Langdon Corporation
  • Athlete's landing pit cushion
    Patent number: 3965507
    Abstract: An athlete's landing pit cushion has an upright notch in an edge portion thereof. The notch sidewall is inclined upwardly and outwardly relative the vertical. The landing cushion can be used as a pole vault landing cushion, the notch being placed at the pole resting end portion of a pole vault box or the like.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: June 29, 1976
    Assignee: The Langdon Corporation
    Inventor: Harold P. Reiland