Patents by Inventor Henry T. Simmons

Henry T. Simmons 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: D252575
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: August 7, 1979
    Assignee: Brown & Sharpe Manufacturing Company
    Inventor: Henry T. Simmons