Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263084 | Spontaneous caller identification with call-waiting | Suzanne D. White, Dana A. Merrill, William D. Sawyer, Lester L. White | 1993-11-16 |
| 5189634 | Digital signal processing apparatus for detecting a frequency component of digital signals | Gernot Eberle | 1993-02-23 |
| 5155446 | Digital FSK demodulator | Gernot Eberle | 1992-10-13 |
| 4424419 | Electret microphone shield | Edward Sich, Beverley W. Gumb | 1984-01-03 |
| 4365168 | Electrical circuit on porcelain coated metal substrates | Edward Sich | 1982-12-21 |
| 4360710 | Telephone circuit | Edward Sich | 1982-11-23 |