Patents Assigned to Hewitt Tubular Products, Inc.
  • Tandem wheel chock
    Patent number: 4715480
    Abstract: A device for preventing vehicles having conventional tandem wheels from moving when parked. The friction of novel dual opposing horizontal shoes pressing against the tires of the tandem wheels prevents the wheels from rotating. A cam and lever action locks the shoes in position against the tires.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: December 29, 1987
    Assignee: Hewitt Tubular Products, Inc.
    Inventor: Milan B. Anderson, deceased
  • Tamper resistant container
    Patent number: 4548330
    Abstract: A container for TV cables and terminals with mating edges between the stationary body part and its hinged door to reduce the opportunity for forced illegal entry by apartment and condominium dwellers.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: October 22, 1985
    Assignee: Hewitt Tubular Products, Inc.
    Inventors: Donald J. Hewitt, Juan O. Becera