Patents by Inventor Sylvan S. Stern

Sylvan S. Stern 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).

  • Method for making dental restorations and the dental restoration made thereby
    Patent number: 5549476
    Abstract: The present invention relates to a method of making dental restorations and the dental restoration made by the method including temporarily repairing a tooth area to be restored to desired final shape, taking a first impression of the tooth area to be restored, preparing the tooth to be restored and forming a second impression within first impression with material that is non-adherent to the first impression material. The first impression and the second impression are separated. The second impression is scanned to obtain a digital image of the final restoration.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: August 27, 1996
    Inventor: Sylvan S. Stern
  • Method for making dental restorations and the dental restoration made thereby
    Patent number: 5382164
    Abstract: The present invention relates to a method of making dental restorations and the dental restoration made by the method comprising temporarily repairing a tooth area to be restored to a desired final shape, taking a first impression of the tooth area to be restored, preparing the tooth to be restored and forming a second impression within first impression with material that is non-adherent to the first impression material. The first impression and the second impression are separated. The second impression is scanned to electronically obtain an image of the final restoration.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: January 17, 1995
    Inventor: Sylvan S. Stern