Ferrell; Philip J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ferrell; Philip J..The latest application filed is for "method and apparatus for characterizing a radio transmitter".
- Ferrell; Philip J. - Seattle WA
| Patent | Date |
|---|---|
| Method and apparatus for characterizing a radio transmitter Grant 5,005,210 - Ferrell April 2, 1 | 1991-04-02 |
| Coded data transmission system Grant 4,760,598 - Ferrell * July 26, 1 | 1988-07-26 |
| Fault scoring and selection circuit and method for redundant system Grant 4,517,639 - Ferrell , et al. May 14, 1 | 1985-05-14 |
| Coded data transmission system Grant 4,434,322 - Ferrell February 28, 1 | 1984-02-28 |
| Communication System Grant 3,597,689 - Ferrell August 3, 1 | 1971-08-03 |
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