Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843615 | CPFSK communication system employing nyquist-filtered modulator/demodulator | — | 1989-06-27 |
| 4839143 | Selective ionization of gas constituents using electrolytic reactions | Kishore N. Vora, Donald N. Campbell, Glenn E. Spangler, Julio A. Reategui | 1989-06-13 |