Patents by Inventor William James Schiffer, Jr.

William James Schiffer, Jr. 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).

  • Process of making a dental prosthesis
    Patent number: 6855278
    Abstract: The invention provides a method of making a removable partial dental prosthesis by molding a removable partial dental prosthesis having a base, an artificial tooth and a clasp. The artificial tooth is supported by said base. The base is integrally connected to the clasp. The base includes pigment and is substantially opaque. The clasp is effectively free of pigment and is substantially transparent. The base is formed to mate with oral mucosa for support of the prosthesis thereon.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: February 15, 2005
    Inventors: Andrew M. Lichkus, William James Schiffer, Jr., Craig L. Nalbone, Michael L. DeCavalcante