Patents by Inventor Gregory J. H. Hansen

Gregory J. H. Hansen 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).

  • Picnic/party cooler
    Patent number: D411715
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: June 29, 1999
    Inventor: Gregory J. H. Hansen
  • Picnic/party cooler
    Patent number: D418022
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: December 28, 1999
    Inventor: Gregory J. H. Hansen