Patents by Inventor Ronald J. Fine

Ronald J. Fine 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 articulator and tray system
    Patent number: 4200981
    Abstract: A dental articulator comprises a pair of opposed tray mounting arms pivotally connected together and removably securing thereto dental model mounting trays, an abutment on one end of each arm engaging surfaces formed in the tray to prevent lateral and vertical movement of one end of the tray, a key on the tray engaging a keyway in the arm to prevent lateral movement of the other end of the tray and a releasable clamp engaging an angular surface of the tray other end to prevent vertical tray movement. A dental model is adhesively secured to a mounting surface of the tray.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: May 6, 1980
    Inventor: Ronald J. Fine