Perkins; Donald W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Perkins; Donald W..The latest application filed is for "regulating switch for transmitting modules in a phased array radar".
- Perkins; Donald W. - Dewitt NY
| Patent | Date |
|---|---|
| Regulating switch for transmitting modules in a phased array radar Grant 4,870,421 - Peil , et al. September 26, 1 | 1989-09-26 |
| Interference canceller loop having automatic nulling of the loop phase shift for use in a reception system Grant 4,612,549 - Geyer, Jr. , et al. September 16, 1 | 1986-09-16 |
| Actively switched damping circuit Grant 4,063,306 - Perkins , et al. December 13, 1 | 1977-12-13 |
| Regulated power supply having a series arrangement of inverters Grant 4,062,057 - Perkins , et al. December 6, 1 | 1977-12-06 |
| Digital Resolver With Alternately Phased Digital Differential Analyzers Grant 3,578,959 - Perkins , et al. May 18, 1 | 1971-05-18 |
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