Patents by Inventor Harold H. Larsen

Harold H. Larsen 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: D244519
    Type: Grant
    Filed: September 24, 1973
    Date of Patent: May 31, 1977
    Assignee: Bates Industries, Inc.
    Inventors: Harold H. Larsen, Robert E. Oehring
  • Patent number: D249257
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: September 5, 1978
    Assignee: Bates Industries, Inc.
    Inventors: Thomas S. Beaubien, Harold H. Larsen, Robert E. Oehring