Opposed (i.e., Double Ended) Patents (Class D24/154)
  • Combination toothbrush and pivotable tongue scraper
    Patent number: 7540054
    Abstract: A multiple ridge tongue scraper the width of the tongue is pivotally attached to a recessed portion on an end of a toothbrush opposite the brush end. A pair of protrusions are positioned on the bottom of the tongue scraper with one on each side of the pivot pin. The pair of tongue scraper protrusions snap into a pair of mating lateral dents, one on each lateral side of the pivot pin to lock the tongue scraper at a right angle to the handle for use as a tongue scraper. The pair of tongue scraper protrusions snap into a pair of mating longitudinal dents, one on each longitudinal side of the pivot pin to lock the tongue scraper into alignment with the handle for use as a toothbrush.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: June 2, 2009
    Inventor: Glen M. Goldstein
  • Dental instrument
    Patent number: D463026
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: September 17, 2002
    Inventor: Allan G. Holms
  • Dental handpiece
    Patent number: D538937
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: March 20, 2007
    Assignee: Nakanishi, Inc.
    Inventor: Eiichi Nakanishi
  • Elongated applicator handle having a distributor at both ends
    Patent number: D469180
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: January 21, 2003
    Inventor: Phillip Mark
  • Nail-treatment device
    Patent number: D571962
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: June 24, 2008
    Assignee: Tweezeman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Nail-treatment device
    Patent number: D577461
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: September 23, 2008
    Assignee: Tweezerman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Tooth clamp
    Patent number: D491663
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: June 15, 2004
    Inventor: Christian Bat-Genstein
  • Nail-treatment device
    Patent number: D588747
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: March 17, 2009
    Assignee: Tweezerman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Nail-treatment device
    Patent number: D588748
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: March 17, 2009
    Assignee: Tweezerman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Nail-treatment device
    Patent number: D588749
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: March 17, 2009
    Assignee: Tweezerman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Nail-treatment device
    Patent number: D588750
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: March 17, 2009
    Assignee: Tweezerman International, LLC
    Inventor: Cornelia Wittke-Kothe
  • Dental instrument handle
    Patent number: D319696
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: September 3, 1991
    Assignee: Hu-Friedy Mfg. Co., Inc.
    Inventor: Wendell Guthrie
  • Dental instrument handle
    Patent number: D320076
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: September 17, 1991
    Assignee: Hu-Friedy Manufacturing Co., Inc.
    Inventor: Wendell Guthrie
  • Combination cuticle pusher and gel stirrer
    Patent number: D612993
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: March 30, 2010
    Assignee: OPI Products, Inc.
    Inventor: George W. Schaeffer
  • Interdental brush handle
    Patent number: D333002
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: February 2, 1993
    Assignee: John O. Butler Company
    Inventors: Emanuel B. Tarrson, Dane Maric
  • Dental tool for removing a tooth stone
    Patent number: D362067
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: September 5, 1995
    Inventor: Chi-Ming Chang
  • Depth gauge for use in oral implantology
    Patent number: D372094
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: July 23, 1996
    Assignee: Astra Aktiebolag
    Inventors: Nils G. Bergstrom, Leif Broberg, Anders Holmen
  • Dental handle
    Patent number: D394902
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: June 2, 1998
    Assignee: Hu-Friedy Mfg. Co., Inc.
    Inventors: Walter B. Herbst, David A. Demar, William E. Hess
  • Dental instruments
    Patent number: D405179
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: February 2, 1999
    Assignee: IMZ Fertigungs-und Dertigungs-und Vertriebsgesellschaft fur dentale Technologie mbH
    Inventors: Axel Kirsch, Walter Durr
  • Dental instrument handle
    Patent number: D425202
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: May 16, 2000
    Assignee: Hu-Friedy Mfg. Co., Inc.
    Inventors: Neville Hammond, Michael Haupers, Ronald M. Saslow
  • Orthodontic instrument
    Patent number: D687553
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: August 6, 2013
    Inventor: Mark Neil Coreil
  • Dental instrument
    Patent number: D718451
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: November 25, 2014
    Inventor: James Taylor
  • Dental tool
    Patent number: D724211
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: March 10, 2015
    Assignee: Ivoclar Vivadent AG
    Inventor: Arnd Peschke
  • Handle for a dental instrument
    Patent number: D729935
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: May 19, 2015
    Assignee: HU-FRIEDY MFG. CO., LLC
    Inventor: Jack Gu
  • Handle of a dental hand instrument
    Patent number: D764665
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 23, 2016
    Assignee: LM-Instruments Oy
    Inventor: Toni Luoto
  • Tooth sculpting instrument
    Patent number: D779064
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 14, 2017
    Inventor: Carlos Sanchez
  • Oral hygiene tool
    Patent number: D788306
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: May 30, 2017
    Inventor: Suresh Kurji Ladva
  • Handle for a dental instrument
    Patent number: D790061
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: June 20, 2017
    Assignee: HU-FRIEDY MFG. CO., LLC
    Inventor: Jack Gu
  • Dental tool
    Patent number: D803400
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 21, 2017
    Inventor: Sam Latif
  • Hand-held dental tool and removable soft tips
    Patent number: D807505
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 9, 2018
    Inventor: Muhammad Hasan Chauhan
  • Hand-held dental tool and removable soft tips
    Patent number: D807506
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 9, 2018
    Inventor: Muhammad Hasan Chauhan
  • Hand-held dental tool and removable soft tips
    Patent number: D807507
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 9, 2018
    Inventor: Muhammad Hasan Chauhan
  • Dental tool
    Patent number: D810939
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: February 20, 2018
    Assignee: KING SAUD UNIVERSITY
    Inventors: Sahar Faisal Albarakati, Bader Khalid Albalkhi
  • Dental wrench
    Patent number: D812225
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 6, 2018
    Assignee: Titan Dental Systems, LLC
    Inventors: Matthew A. Kaupp, John Richard Stockton, Jr., Michael J. Crescenzo
  • Aligner removal tool
    Patent number: D837377
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: January 1, 2019
    Inventor: Göran Steen
  • Dental tool
    Patent number: D850619
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: June 4, 2019
    Assignee: Nadine & Co., LLC
    Inventor: Nadine Marie Saubers
  • Dental handle instrument
    Patent number: D888242
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 23, 2020
    Assignee: Novadent USA, Inc.
    Inventor: Younas Bajwa
  • Dental handle instrument
    Patent number: D888243
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 23, 2020
    Assignee: Novadent USA, Inc.
    Inventor: Younas Bajwa
  • Double-sided mirror
    Patent number: D916289
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: April 13, 2021
    Assignee: HU-FRIEDY MFG. CO., LLC
    Inventor: Luke Durand
  • Handle for hand-held dental instruments
    Patent number: D918390
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: May 4, 2021
    Assignee: PRODONT HOLLIGER
    Inventor: Kévin Ollivier
  • Ear pick
    Patent number: D952150
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: May 17, 2022
    Inventor: Kun Yang
  • Tissue tension release comb
    Patent number: D983371
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: April 11, 2023
    Inventor: Shih-Cheng Wen