Patents by Inventor Hans T. A. Ehrlin

Hans T. A. Ehrlin 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: D245502
    Type: Grant
    Filed: December 16, 1975
    Date of Patent: August 23, 1977
    Assignee: Stiga AB
    Inventors: Jerker E. Oscarsson, Hans T. A. Ehrlin, Christian G. Haggstam