Patents by Inventor Richard H. Duprey

Richard H. Duprey 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).

  • Patent number: 4033639
    Abstract: Control drawer slide for holding a drawer against unintentional removal in which the track for guiding the drawer during inward and outward movement is provided in the vicinity of its outward end with an interrupting depressed control track section having a downwardly inclined track portion in the direction of inward drawer movement, which cooperates with an offset drawer stop operatively positioned out of the path of the track and extending into the drawer path and situated at a level above the depressed track section to permit intentional downward tilting of the rear end of the drawer at the depressed track section to clear the stop yet hold the drawer upon normal outward movement against unintentional removal by otherwise abutment with the stop.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: July 5, 1977
    Assignee: Interroyal Corporation
    Inventors: Roland A. Benoit, Richard H. Duprey
  • Patent number: 4016613
    Abstract: A bumper of a generally U-shaped tubular member whose free ends are pivotally attached to brackets which in turn are secured to the cross rod extending between the front legs of a bed or the like. A balancing spring contact engaging the bracket and the U-shaped bumper member maintains the bumper in lowered position extending from the head of the bed or in raised position wherein it does not substantially increase the length of the bed.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: April 12, 1977
    Assignee: InterRoyal Corporation
    Inventors: Roland Benoit, Richard H. Duprey