Patents by Inventor Gregory S. Hadgis

Gregory S. Hadgis 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).

  • Key ring clip lock for pump handles
    Patent number: 4287736
    Abstract: A key ring clip lock apparatus for holding the plunger of a gas pump handle in a positional mode for automatic pumping operation has a key holding portion for directly holding keys or the like thereon, including a resiliently deformable portion for permitting opening and closing of the key holding portion to receive and to remove such keys or the like, and a clip-like portion for grabbing part of the pump handle to hold the apparatus thereto with the plunger in a substantially compressed, valve-open position so as to allow hands-off gas pumping operation of an associated gas pump.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: September 8, 1981
    Inventor: Gregory S. Hadgis
  • Combined key ring and clip lock for holding a gas pump trigger in the open position
    Patent number: D255066
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: May 27, 1980
    Inventor: Gregory S. Hadgis