Crutcher; W. Larkin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crutcher; W. Larkin.The latest application filed is for "optical switch assembly for detecting movement".
- Crutcher; W. Larkin - Plano TX
- Crutcher; W. Larkin - Richardson TX
| Patent | Date |
|---|---|
| Optical switch assembly for detecting movement Grant 8,965,150 - Crutcher , et al. February 24, 2 | 2015-02-24 |
| Optical Switch Assembly For Detecting Movement App 20130136394 - Crutcher; W. Larkin ; et al. | 2013-05-30 |
| Optical fiber systems and methods for monitoring remote door access Grant 8,368,534 - Crutcher , et al. February 5, 2 | 2013-02-05 |
| Optical Fiber Systems And Methods For Monitoring Remote Door Access App 20090295579 - Crutcher; W. Larkin ; et al. | 2009-12-03 |
| Adaptable demodulator for arbitrary amplitude and phase keyed modulation signals Grant 4,546,322 - Crutcher October 8, 1 | 1985-10-08 |
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