Brownrigg; Patrick C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brownrigg; Patrick C..The latest application filed is for "shaft rotation rate sensor with a diffraction grating producing a velocity-related beat frequency".
- Brownrigg; Patrick C. - Long Beach CA
| Patent | Date |
|---|---|
| Shaft rotation rate sensor with a diffraction grating producing a velocity-related beat frequency Grant 5,118,932 - Brownrigg , et al. June 2, 1 | 1992-06-02 |
| True ground speed sensor Grant 5,100,230 - Brownrigg , et al. March 31, 1 | 1992-03-31 |
| Acquisition and testing of latent fingerprints using upconversion Grant 5,099,131 - Brownrigg , et al. March 24, 1 | 1992-03-24 |
| Liquid gauge having an optical fiber with flexible membrane enclosure Grant 5,077,482 - Vali , et al. December 31, 1 | 1991-12-31 |
| Fiber-optic interferometric chemical sensor Grant 5,004,914 - Vali , et al. April 2, 1 | 1991-04-02 |
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