Patents by Inventor Einar Hernsjo

Einar Hernsjo 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).

  • Boat buoy hook
    Patent number: D253277
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: October 30, 1979
    Assignee: Heller AG
    Inventor: Einar Hernsjo