PIERSON; Christopher D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for PIERSON; Christopher D..The latest application filed is for "needle guard".
- PIERSON; Christopher D. - Waltham MA
- Pierson; Christopher D. - Southborough MA
| Patent | Date |
|---|---|
| Needle Guard App 20220288307 - BRUGGER; James M. ; et al. | 2022-09-15 |
| Needle guard Grant 11,305,059 - Brugger , et al. April 19, 2 | 2022-04-19 |
| Needle Guard App 20180221592 - BRUGGER; James M. ; et al. | 2018-08-09 |
| Needle guard Grant D801,524 - Brugger , et al. October 31, 2 | 2017-10-31 |
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