Patents by Inventor Harry M. Dorn

Harry M. Dorn 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).

  • Trouble light
    Patent number: 4275435
    Abstract: A trouble light comprising a reflector, a cage and a handle all made of synthetic resin polymer, in which at least a part of the handle and either the reflector or the cage are molded as an integral unit.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: June 23, 1981
    Inventor: Harry M. Dorn
  • Light guard
    Patent number: 3935560
    Abstract: A light guard molded from an electrically non-conductive synthetic resin and including a reflector member and a cage member provided with integrally molded hinge and latch means for retaining the members in latched relation against significant unlatching forces to which the light guard is subjected during use.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: January 27, 1976
    Inventor: Harry M. Dorn