Dental (46) Patents (Class D24/176)
Patient service unit or console (Class D24/177)
Orthodontic appliance (Class D24/180)
Mold, model or form (48) (Class D24/181)
Articulator (Class D24/182)
  • Periodontal analyzer
    Patent number: D318113
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: July 9, 1991
    Assignee: Abiomed, Inc.
    Inventors: Timothy E. Moutafis, Burt D. Ochs
  • Dental burr holder
    Patent number: D319873
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: September 10, 1991
    Inventor: Melvin R. Rouse
  • Caliper for dental implants
    Patent number: D321055
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: October 22, 1991
    Assignee: ACE Surgical Supply Co., Inc.
    Inventor: Joseph E. Carchidi
  • Combined dental syringe, nozzles and control unit
    Patent number: D322670
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: December 24, 1991
    Assignee: Hans Grohe GmbH & Co. KG
    Inventors: Andreas Haug, Thomas Schonherr
  • Combined abrasive dental instrument and cap for removing discolorations on teeth
    Patent number: D323891
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: February 11, 1992
    Assignee: Seth Neuman
    Inventor: Stefan Arkel
  • Anchoring plate for dental posts
    Patent number: D324268
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: February 25, 1992
    Inventor: Martin Nordqvist
  • Dental shade guide
    Patent number: D328348
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: July 28, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Daryl L. Neisse, Ross A. Longhini, Gerald E. Drake, James R. Kvitrud