Patents by Inventor Dennis J. Gilstad

Dennis J. Gilstad 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).

  • Apparatus for installing wooden decking
    Patent number: 5181703
    Abstract: An apparatus for installing wooden deck planks on a supporting frame of joists has an actuator mounted on a base plate with an output shaft movable between an open position and a closed position. A control device is mounted on the frame for selectively controlling the actuator to move the output shaft. A fixed angle clamp is mounted on the base plate and has a leg for engaging an edge of a first deck plank, a sliding angle clamp is attached to the output shaft and has a leg for engaging an edge of a second deck plank, and a spacer plate is slidably mounted on the base plate between the clamps and has a predetermined thickness corresponding to a desired spacing between adjacent deck planks.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: January 26, 1993
    Inventors: Donald C. Gilstad, Dennis J. Gilstad