Patents by Inventor Irvin Vine

Irvin Vine 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 crown assembly
    Patent number: 4398887
    Abstract: A two piece dental crown comprises cup-shaped inner (12) and outer (16) members, the inner member being adapted to be mounted on the occlusal portion of a tooth being capped, and the outer member being adapted to be mounted on the tooth including the inner member, the side wall (18) of the outer member extending beyond the side wall (20) of the inner member and into contact with the gingival portion of the tooth. In use, the inner and outer members are rigidly bonded together in slightly spaced apart relation. In one embodiment, a stiffening member is bonded to the two members in the space therebetween.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: August 16, 1983
    Inventors: John W. Balde, Irvin Vine