Patents by Inventor Jean Greenstein

Jean Greenstein 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: 5827063
    Abstract: A method of making a dental restoration is provided wherein preforms based on impressions of actual human teeth of varying sizes are employed. The method consistently yields dental restorations having excellent aesthetics and does not demand a high level of technical and artistic skill of the individual dental technician.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: October 27, 1998
    Inventor: Jean Greenstein
  • Patent number: 4060897
    Abstract: A tool for forming dental restorations used in the oral cavity of a human being and which restorations are at least partially made of a synthetic restoration material, such as porcelain. The dental tool comprises an elongate handle section capable of being grasped by the fingers or a hand of the user thereof. A first tool section located on one end of the handle section is capable of performing a first operation in the formation of a dental restoration. A second tool section is located on the opposite end of the handle section and is cooperatable with the first tool section and used in the formation of the dental restorations from the synthetic material. These first and second tool sections are used in combination in very closely timed relatonship in order to properly form the dental restorations. A serrated surface section, which functions as a vibrating member, is also located on the handle section intermediate the first and second tool sections.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: December 6, 1977
    Inventor: Jean Greenstein