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Patent applications and USPTO patent grants for Zajack; Michael.The latest application filed is for "retractor blade extender tower".
Patent | Date |
---|---|
Retractor blade extender tower Grant 9,357,908 - Frasier , et al. June 7, 2 | 2016-06-07 |
Spinal fixation element and methods Grant 8,828,005 - Birkmeyer , et al. September 9, 2 | 2014-09-09 |
Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery Grant 7,918,792 - Drzyzga , et al. April 5, 2 | 2011-04-05 |
Retractor Blade Extender Tower App 20100041956 - FRASIER; William J. ;   et al. | 2010-02-18 |
Retractor blade extender tower Grant 7,625,339 - Frasier , et al. December 1, 2 | 2009-12-01 |
Spinal Fixation Element And Methods App 20090216328 - Birkmeyer; Paul ;   et al. | 2009-08-27 |
Spinal fixation element and methods Grant 7,547,318 - Birkmeyer , et al. June 16, 2 | 2009-06-16 |
Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery App 20080021285 - Drzyzga; Anne ;   et al. | 2008-01-24 |
Retractor blade extender tower App 20060129033 - Frasier; William J. ;   et al. | 2006-06-15 |
Methods and devices for retracting tissue in minimally invasive surgery App 20060030861 - Simonson; Robert E. ;   et al. | 2006-02-09 |
Spinal Fixation Element And Methods App 20050215999 - Birkmeyer, Paul ;   et al. | 2005-09-29 |
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