Patents by Inventor Hardy Haberstroh

Hardy Haberstroh 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).

  • Handle for screwdrivers
    Patent number: D346943
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: May 17, 1994
    Assignee: Willi Hahn GmbH & Co., KG
    Inventor: Hardy Haberstroh
  • Screwdriver handle
    Patent number: D402176
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: December 8, 1998
    Assignee: Willi Hahn GmbH & Co. KG
    Inventors: Peter Lauster, Oliver Grill, Hardy Haberstroh