Kerman; Stephen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kerman; Stephen.The latest application filed is for "digital and voice telecommunication apparatus".
- Kerman; Stephen - Southbury CT
- Kerman; Stephen - Merrick NY
| Patent | Date |
|---|---|
| Digital and voice telecommunication apparatus Grant 4,524,244 - Faggin , et al. June 18, 1 | 1985-06-18 |
| Direct-station-selection intercommunication and automatic holding circuit in a key telephone system Grant 3,927,278 - Tsutsumi , et al. December 16, 1 | 1975-12-16 |
| Key telephone system Grant 3,872,262 - Kerman March 18, 1 | 1975-03-18 |
| Universal subscriber's line circuit in a key telephone system Grant 3,865,995 - Kerman , et al. February 11, 1 | 1975-02-11 |
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