Patents by Inventor Robert F. Troy

Robert F. Troy 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: 5575514
    Abstract: An improved door-holding door stop is provided, which is secured to a structure adjacent to a fully opened door, and has a tip of a hook-type fastening material that can be aligned at various angles in a cooperative relationship with a contributory door disk secured to a door, that has a front of a loop-type fastening material, which in combination provide a functional method of stopping and retaining a door in a fully opened position.
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: November 19, 1996
    Inventor: Robert F. Troy
  • Patent number: D388696
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: January 6, 1998
    Inventor: Robert F. Troy