Patents by Inventor Sorin Stefan-Dogar

Sorin Stefan-Dogar 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).

  • Dental implant and conversion assembly
    Patent number: 5040982
    Abstract: In a dental implant assembly including a lower section having an implant fixture being disposed in a jaw-bone; the implant fixture having a threaded hole formed therein; a central section having an abutment screw screwed into the threaded hole; and an upper section attached to the abutment screw, an apparatus for resiliently supporting the upper section and sealing the abutment screw against the implant fixture, comprising a cylinder surrounding the abutment screw, and a bushing surrounding the abutment screw between the cylinder and the implant fixture.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: August 20, 1991
    Inventor: Sorin Stefan-Dogar