Patents by Inventor David J Apostoloff

David J Apostoloff 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).

  • Hinge mounted adjustable doorstop
    Patent number: 6497005
    Abstract: An adjustable doorstop is disclosed that mounts on a hinge pin that is inserted into mating hinge leafs. The doorstop has two members that are manually positioned with respect to each other and lock to set how far the door to which they are mounted can open. The doorstop members each have a means that contact only a hinge leaf of a door hinge to prevent a door from opening beyond its manually predetermined point.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: December 24, 2002
    Inventor: David J Apostoloff
  • Hinge mounted adjustable doorstop
    Publication number: 20020133909
    Abstract: An adjustable doorstop is disclosed that mounts on a hinge pin that is inserted into mating hinge leafs. The doorstop has two members that are manually positioned with respect to each other and lock to set how far the door to which they are mounted can open. The doorstop members each have a means that contact only a hinge leaf of a door hinge to prevent a door from opening beyond its manually predetermined point.
    Type: Application
    Filed: March 23, 2001
    Publication date: September 26, 2002
    Inventor: David J. Apostoloff