Patents by Inventor David C. Dimmer

David C. Dimmer 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: 4980124
    Abstract: An improvement is provided in the so-called "Foil" system for producing jacketed porcelain dental crowns. One of the most significant improvements is the formation of a crush-resistant coping comprised of a die-conforming noble metal foil and a bonded sintered alloy. Extremely strong crowns are produced in a short order of time by applying the porcelain over such a coping.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: December 25, 1990
    Inventor: David C. Dimmer