Patents by Inventor Mark Lee Wergin

Mark Lee Wergin 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).

  • Rotary pivot hitch extension system
    Patent number: 8469385
    Abstract: Generally, a hitch having a retractably extendable member reciprocally driven by a rotatable member having a first end configured for coupling to a hitchable object.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: June 25, 2013
    Assignee: F & S Manufacturing LLC
    Inventor: Mark Lee Wergin
  • Rotary pivot hitch extension system
    Publication number: 20110241311
    Abstract: Generally, a hitch having a retractably extendable member reciprocally driven by a rotatable member having a first end configured for coupling to a hitchable object.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Inventor: Mark Lee Wergin