Patents by Inventor Nathan R. Zwetzig

Nathan R. Zwetzig 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).

  • Patent number: D247436
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: March 7, 1978
    Assignee: Willinger Bros., Inc.
    Inventors: Allan H. Willinger, Harding W. Willinger, Monte L. Levin
  • Patent number: D706534
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: June 10, 2014
    Assignee: Thule Organization Solutions, Inc.
    Inventor: Nathan R. Zwetzig
  • Patent number: D708848
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: July 15, 2014
    Assignee: Thule Organization Solutions, Inc.
    Inventor: Nathan R. Zwetzig
  • Patent number: D709545
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: July 22, 2014
    Assignee: Thule Organization Solutions, Inc.
    Inventors: Jerry L. Goff, Christopher A. Willis, Nathan R. Zwetzig
  • Patent number: D709546
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: July 22, 2014
    Assignee: Thule Organization Solutions, Inc.
    Inventors: Jerry L. Goff, Christopher A. Willis, Nathan R. Zwetzig
  • Patent number: D722228
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: February 10, 2015
    Assignee: Thule Organization Solutions, Inc.
    Inventor: Nathan R. Zwetzig