Patents by Inventor Dwayne P. Wipf

Dwayne P. Wipf 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).

  • Entrance gate for a livestock sorter
    Patent number: 7765958
    Abstract: An entrance gate for a livestock sorter which includes a pair of entrance gate members which are movable between open and closed positions. The amount of opening movement of the gate members is selectively adjustable without the need of a wrench or the like.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: August 3, 2010
    Inventors: Henry J. Wurtz, Dwayne P. Wipf
  • Entrance gate for a livestock sorter
    Publication number: 20090301405
    Abstract: An entrance gate for a livestock sorter which includes a pair of entrance gate members which are movable between open and closed positions. The amount of opening movement of the gate members is selectively adjustable without the need of a wrench or the like.
    Type: Application
    Filed: June 5, 2008
    Publication date: December 10, 2009
    Inventors: Henry J. Wurtz, Dwayne P. Wipf