Patents by Inventor Roy Klinkhammer

Roy Klinkhammer 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).

  • Chair
    Patent number: D439449
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: March 27, 2001
    Assignee: Global Total Office
    Inventor: Roy Klinkhammer