Hansel; Douglas David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hansel; Douglas David.The latest application filed is for "medication delivery apparatus".
- Hansel; Douglas David - Westerville OH
| Patent | Date |
|---|---|
| Medication delivery apparatus Grant 6,454,746 - Bydlon , et al. September 24, 2 | 2002-09-24 |
| Medication delivery instrument Grant D426,299 - Bydlon , et al. June 6, 2 | 2000-06-06 |
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