Patents by Inventor Henry A. Feild

Henry A. Feild 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: D263440
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: March 23, 1982
    Inventor: Henry A. Feild