Heffner, Samuel T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heffner, Samuel T..The latest application filed is for "digital rf return over fiber".
- Heffner, Samuel T. - Hurst TX
- Heffner; Samuel T. - Villa Park IL
| Patent | Date |
|---|---|
| Digital RF return over fiber App 20030128983 - BuAbbud, George H. ; et al. | 2003-07-10 |
| Bias sharing an electronic switch and an active device Grant 4,629,906 - Heffner December 16, 1 | 1986-12-16 |
| Multi-phase clock distribution system Grant 3,921,079 - Heffner , et al. November 18, 1 | 1975-11-18 |
| Programmable proportional clock edge delay circuit Grant 3,906,247 - Heffner September 16, 1 | 1975-09-16 |
| Time Skew Measurement Circuit For Mag Tape Transports Grant 3,800,280 - Heffner March 26, 1 | 1974-03-26 |
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