Patents by Inventor Martin Hardy Hansen

Martin Hardy 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).

  • Window seat assembly
    Patent number: D245924
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: September 27, 1977
    Inventor: Martin Hardy Hansen