Patents by Inventor Charles A. Donovan

Charles A. Donovan 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: 6042078
    Abstract: The wall hanger of the present invention is designed to minimize the damage done to a wall when hung thereon. The wall hanger has a plurality of narrow bores angling generally downward through which pleating pins may be inserted to anchor the wall hanger. The wall hanger additionally has a support member from which may be hung an object. The bores and support member are configured to maximize a proportion of gravitational stress transferred to the wall to relieve stress on the pins. A pilot tool is also disclosed that starts a hole in the wall through the bores in the hanger and then is used to push a pin through the bore, into the pretapped hole in the wall, and further into the wall until its head is flush with the hanger. A kit is provided that consists of a wall hanger and a mounting tool. In addition, a method is provided for mounting a wall hanger to a wall.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: March 28, 2000
    Inventor: Charles A. Donovan
  • Patent number: 5542641
    Abstract: The wall hanger of the present invention is designed to minimize the damage done to a wall when hung thereon. The wall hanger has a plurality of narrow bores angling generally downward through which straight pins may be inserted to anchor the wall hanger. A variety of embodiments are provided, including hangers for pictures, plates, and curtains, and a combination frame-hanger unit. In addition, a mounting tool is disclosed that bores a hole in the wall through the bores in the hanger and then is used to push a straight pin through the bore and into the hole in the wall. A removal tool is also provided for removing pins from a mounted wall hanger. A kit is provided that consists of a wall hanger, a mounting tool, and a removal tool. In addition, methods are provided for mounting a wall hanger to a wall and for removing the wall hanger from the wall.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: August 6, 1996
    Inventor: Charles A. Donovan
  • Patent number: D422892
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: April 18, 2000
    Inventor: Charles A. Donovan