Kahn; Donald Arthur
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kahn; Donald Arthur.The latest application filed is for "flow rate scale field calibration for balancing valve".
- Kahn; Donald Arthur - Niles IL
| Patent | Date |
|---|---|
| Flow rate scale field calibration for balancing valve Grant 11,274,767 - Evans, Jr. , et al. March 15, 2 | 2022-03-15 |
| Flow Rate Scale Field Calibration For Balancing Valve App 20210324967 - EVANS; Stanley Paul ; et al. | 2021-10-21 |
| Combined balancing scale and knob for a balancing valve Grant D706,394 - Evans, Jr. , et al. June 3, 2 | 2014-06-03 |
| Flow Rate Scale Field Calibration For Balancing Valve App 20130299017 - EVANS; Stanley Paul ; et al. | 2013-11-14 |
| Balancing valve Grant D686,699 - Evans, Jr. , et al. July 23, 2 | 2013-07-23 |
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