Semple; John David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Semple; John David.The latest application filed is for "locomotive assembly".
- Semple; John David - Woodridge IL
| Patent | Date |
|---|---|
| Operator fatigue monitoring system Grant 9,990,552 - Melas , et al. June 5, 2 | 2018-06-05 |
| Locomotive Assembly App 20160264152 - Semple; John David ; et al. | 2016-09-15 |
| Operator Fatigue Monitoring System App 20160082838 - MELAS; Dennis John ; et al. | 2016-03-24 |
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