Oral retractor for dental purpose
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Description
Claims
The ornamental design for an oral retractor for dental purpose, as shown and described.
Referenced Cited
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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