Patents by Inventor Cecil White

Cecil White 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).

  • Plastic laminar digitally indexed dental die system
    Patent number: 4492578
    Abstract: A device for construction of removable dental dies fabricated from type IV dental die stone poured into non-rigid impression materials. The device eliminates the need for a two pour system necessitated when individual pins are used, provides large surface area for positive seating of the individual dies, and in general eliminates the complicated alignment problems associated with other systems in common use. The invention comprises a polymer sheet having projections on both sides for embedment in dental store of the date of the die and base.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: January 8, 1985
    Inventors: William Hann, Sanford D. Bosin, Cecil White