Gehman; Richard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gehman; Richard.The latest application filed is for "multi-gas flow sensor with gas specific calibration capability".
- Gehman; Richard - Hilliard OH
- Gehman; Richard - Hillard OH
- Gehman; Richard - Freeport IL
| Patent | Date |
|---|---|
| Multi-gas flow sensor with gas specific calibration capability Grant 8,024,146 - Bey , et al. September 20, 2 | 2011-09-20 |
| Multi-gas Flow Sensor With Gas Specific Calibration Capability App 20100268485 - Bey; Paul Prehn ; et al. | 2010-10-21 |
| Multi-gas flow sensor with gas specific calibration capability Grant 7,769,557 - Bey , et al. August 3, 2 | 2010-08-03 |
| Multi-gas Flow Sensor With Gas Specific Calibration Capability App 20100004889 - Bey; Paul Prehn ; et al. | 2010-01-07 |
| Indirect flow measurement through a breath-operated inhaler Grant 6,904,907 - Speldrich , et al. June 14, 2 | 2005-06-14 |
| Indirect flow measurement through a breath-operated inhaler App 20040094151 - Speldrich, Jamie W. ; et al. | 2004-05-20 |
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