Patents by Inventor Gary Finnegan

Gary Finnegan 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).

  • Drip free caulking gun
    Patent number: 4572409
    Abstract: A no drip caulking gun which includes a rigid open barrel. The caulking cartridge is inserted in the barrel. A rod is coaxially movable with the barrel. At the end of the rod a plunger is mounted. The forward motion of the plunger against the cartridge forces the caulking compound out of the cartridge, when the forward motion is stopped the built up pressure in the cartridge kicks the rod backwardly.
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: February 25, 1986
    Inventor: Gary Finnegan