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Patent applications and USPTO patent grants for Hartnick; Christopher J..The latest application filed is for "tissue retraction device".
Patent | Date |
---|---|
Cricothyrotomy device Grant 8,276,589 - Hartnick , et al. October 2, 2 | 2012-10-02 |
Tissue retraction device Grant 8,007,435 - Hartnick , et al. August 30, 2 | 2011-08-30 |
Tissue Retraction Device App 20090182203 - Hartnick; Christopher J. ;   et al. | 2009-07-16 |
Cricothyrotomy Device App 20090159086 - Hartnick; Christopher J. ;   et al. | 2009-06-25 |
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