Patents Assigned to Accu-Dent Research & Development Co., Inc.
  • Upper dental impression tray
    Patent number: D372088
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: July 23, 1996
    Assignee: Accu-Dent Research & Development Co., Inc.
    Inventor: John P. Frush
  • Lower dental impression tray
    Patent number: D372096
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: July 23, 1996
    Assignee: Accu-Dent Research & Development Co., Inc.
    Inventor: John P. Frush