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APPARATUS INCLUDING A GUARD MEMBER HAVING A PASSAGE WITH A NON-CIRCULAR CROSS SECTION FOR PROVIDING PROTECTED ACCESS TO THE SPINE

09/497,590 | U.S. Patent Application

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Location ELECTRONIC
Filed June 6, 2000
Examiner MICHAEL A BROWN
Class 606
Art Group 3772
Patent No. 7,431,722
Case Type Utility - 606/061000
Status Patented Case
Parent 08/482,162 Patented
Parent 08/396,414 Patented
Child 11/269,328 Patented
Last Updated: 4 years, 9 months ago
Date # Transaction