Patents by Inventor Norman S. Johnson

Norman S. Johnson 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).

  • Latch with multiple function prevailing-torque mechanism
    Patent number: 4218081
    Abstract: A latch having a multiple function prevailing-torque mechanism which facilitates engagement and disengagement of the drawbolt and the strike of the latch and provides a simplified construction enabling ease of assembly and adjustment, with the prevailing-torque mechanism serving to retain the component parts in assembled arrangement and in appropriate adjustment. A further latch arrangement includes a positive lock which serves to retain the actuating lever of the latch in a stowed or latched location.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: August 19, 1980
    Assignee: United Products Inc.
    Inventor: Norman S. Johnson
  • Quarter-turn fastener
    Patent number: D255772
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: July 8, 1980
    Assignee: United Products Inc.
    Inventors: Norman S. Johnson, Robert J. Trotter