Patents by Inventor Francis D. Gardner

Francis D. Gardner 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).

  • Animal trap
    Patent number: 4253265
    Abstract: An adjustable animal trap is adapted for both trigger and triggerless operation. A pivotal support for the trap's pan frame is movable along a slot located at right angles to the trap jaws for positioning a catch in engaging relation with a trap jaw. A second pivotal support is slidably positionable along the same slot and carries a trigger lever for alternatively engaging the pan frame catch. The pan is also slidable along the pan frame.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: March 3, 1981
    Inventor: Francis D. Gardner