Patella trap retractor for knee arthroplasty
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Description
Claims
The ornamental design for a patella trap retractor for knee arthroplasty, as shown and described.
Referenced Cited
U.S. Patent Documents
D214475 | June 1969 | Forster |
3651800 | March 1972 | Wilbanks |
4686972 | August 18, 1987 | Kurland |
5308349 | May 3, 1994 | Mikhail |
D522140 | May 30, 2006 | Stalcup et al. |
D523142 | June 13, 2006 | Stalcup et al. |
20050228233 | October 13, 2005 | Ritland |
Patent History
Patent number: D549331
Type: Grant
Filed: Nov 14, 2006
Date of Patent: Aug 21, 2007
Assignee: Senko Medical Instrument Mfg., Co. (Tokyo)
Inventors: Taisuke Tomatsu (Tokyo), Daisuke Sato (Tokyo)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Wood, Herron & Evans, L.L.P.
Application Number: 29/250,418
Type: Grant
Filed: Nov 14, 2006
Date of Patent: Aug 21, 2007
Assignee: Senko Medical Instrument Mfg., Co. (Tokyo)
Inventors: Taisuke Tomatsu (Tokyo), Daisuke Sato (Tokyo)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Wood, Herron & Evans, L.L.P.
Application Number: 29/250,418
Classifications