Posterior retractor
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Description
Claims
The ornamental design for a posterior retractor, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D658290
Type: Grant
Filed: Jul 29, 2011
Date of Patent: Apr 24, 2012
Assignee: Greatbatch Ltd. (Clarence, NY)
Inventors: Chad Ryshkus (Kansasville, WI), Jonathan P. Crandall (Fort Wayne, IN), Douglas J. Roger (Rancho Mirage, CA)
Primary Examiner: Bridget L Eland
Attorney: Steven W. Winn
Application Number: 29/398,369
Type: Grant
Filed: Jul 29, 2011
Date of Patent: Apr 24, 2012
Assignee: Greatbatch Ltd. (Clarence, NY)
Inventors: Chad Ryshkus (Kansasville, WI), Jonathan P. Crandall (Fort Wayne, IN), Douglas J. Roger (Rancho Mirage, CA)
Primary Examiner: Bridget L Eland
Attorney: Steven W. Winn
Application Number: 29/398,369
Classifications
Current U.S. Class:
Speculum, Dilator Or Retractor (25) (D24/135)