Patents by Inventor Joseph G. Clarkson

Joseph G. Clarkson 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).

  • Miniature level device
    Patent number: 5398422
    Abstract: A simply-constructed miniature level device in which a small ball bearing, a visual indicator of a level condition of the device, is maintained between two races, that is, arcuate slots formed in opposing panels which are spaced-apart by opposing leg portions extending between the panels. A sleeve member disposed between the panels allows for the level to be supplied with a key-chain or key ring.
    Type: Grant
    Filed: January 27, 1994
    Date of Patent: March 21, 1995
    Inventor: Joseph G. Clarkson
  • Mounting plate for a fire extinguisher having a self-location feature
    Patent number: 4787460
    Abstract: A wall mounted plate for a hand-operated fire extinguisher in which the plate has markings thereon to signal to the prospective user its location. The plate is composed of a fiberglass reinforced plastic, the markings thereon being of a striped pattern and integral with the plastic, and the plate further having a planar extension beyond the periphery of the fire extinguisher for effecting maximum visibility.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: November 29, 1988
    Inventor: Joseph G. Clarkson
  • Automobile accessory
    Patent number: D479821
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: September 23, 2003
    Inventor: Joseph G. Clarkson