Oral retractor for dental purpose
Latest B&L Biotech, Inc. Patents:
- Digital measurement apparatus and digital measurement method
- TOOTH MODEL FOR TOOTH TREATMENT PRACTICE AND METHOD FOR MANUFACTURING THE SAME
- ENDODONTIC FILE HOLDER
- DIGITAL MEASUREMENT APPARATUS AND DIGITAL MEASUREMENT METHOD
- Dental digital measurement apparatus and digital measurement method using the same
Description
Claims
The ornamental design for an oral retractor for dental purpose, as shown and described.
Referenced Cited
U.S. Patent Documents
2835972 | May 1958 | Sheldon |
D216313 | December 1969 | Smith |
5320626 | June 14, 1994 | Schmieding |
5351680 | October 4, 1994 | Jung |
D363121 | October 10, 1995 | O'Neal et al. |
6241658 | June 5, 2001 | Goodrich |
D453377 | February 5, 2002 | Schollhorn et al. |
D468428 | January 7, 2003 | Wong |
D580053 | November 4, 2008 | Huether |
D628291 | November 30, 2010 | Palmer et al. |
20070208226 | September 6, 2007 | Grey et al. |
20090192516 | July 30, 2009 | Tallarida et al. |
20100240005 | September 23, 2010 | Gordon et al. |
Patent History
Patent number: D668333
Type: Grant
Filed: Jul 29, 2011
Date of Patent: Oct 2, 2012
Assignee: B&L Biotech, Inc. (Ansan-si, Gyenggi-do)
Inventor: In Whan Lee (Ansan-Si)
Primary Examiner: Bridget L Eland
Attorney: Lowe Hauptman Ham & Berner, LLP
Application Number: 29/398,418
Type: Grant
Filed: Jul 29, 2011
Date of Patent: Oct 2, 2012
Assignee: B&L Biotech, Inc. (Ansan-si, Gyenggi-do)
Inventor: In Whan Lee (Ansan-Si)
Primary Examiner: Bridget L Eland
Attorney: Lowe Hauptman Ham & Berner, LLP
Application Number: 29/398,418
Classifications