Patents by Inventor Denzil G. Chambers

Denzil G. Chambers 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: 4012026
    Abstract: An apparatus is disclosed for forming plaques or castings of impressions of various articles. The disclosed apparatus includes a reusable impression frame and a molding frame to retain the mold composition as it hardens while in contact with the impression retaining means.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: March 15, 1977
    Inventor: Denzil G. Chambers