Patents by Inventor Richard Keith Bergquist

Richard Keith Bergquist 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).

  • Tubing bender and method
    Patent number: 7234338
    Abstract: An improved tubing bender of the type having a mounting base, a mandrel mounted upon the mounting base and having a tube recess, and a tube retainer mounted upon the mounting base. It is improved by the tube retainer being mounted upon the mounting base by a snap-lock journal.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: June 26, 2007
    Assignee: The Gates Corporation
    Inventors: Richard Arthur Mirtz, Richard Keith Bergquist