Sheehan; John Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sheehan; John Robert.The latest application filed is for "digital amplitude modulator".
- Sheehan; John Robert - Red Bank NJ
| Patent | Date |
|---|---|
| Digital Amplitude Modulator Grant 3,749,843 - Roycraft , et al. July 31, 1 | 1973-07-31 |
| Digital Demodulator For Phase-modulated Data Transmission Systems Grant 3,746,995 - Schroeder , et al. July 17, 1 | 1973-07-17 |
| Automatic Equalizer For Phase-modulation Data Transmission Systems Grant 3,727,136 - Schroeder , et al. April 10, 1 | 1973-04-10 |
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