Fahey; Robert J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fahey; Robert J..The latest application filed is for "apparatus for signalling system".
- Fahey; Robert J. - Framingham MA
- Fahey; Robert J. - Burlington MA
| Patent | Date |
|---|---|
| Apparatus for signalling system Grant 4,308,430 - Fahey , et al. December 29, 1 | 1981-12-29 |
| Telephone status monitor apparatus Grant 4,304,970 - Fahey , et al. December 8, 1 | 1981-12-08 |
| Variable timing system Grant 4,301,515 - Fahey , et al. November 17, 1 | 1981-11-17 |
| Monitoring and signalling system Grant 4,284,849 - Anderson , et al. August 18, 1 | 1981-08-18 |
| Apparatus for monitoring usage of a telephone Grant 4,273,960 - Fahey , et al. June 16, 1 | 1981-06-16 |
| Apparatus for monitoring and signalling system Grant 4,259,548 - Fahey , et al. March 31, 1 | 1981-03-31 |
| Data transmission circuit for establishing a bidirectional data path in a telephone system Grant 4,224,478 - Fahey , et al. September 23, 1 | 1980-09-23 |
| Telephone status monitor circit Grant 4,220,825 - Fahey September 2, 1 | 1980-09-02 |
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