Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785340 | PCM upstream and downstream system for universal digital loop carrier | John F. Stockman, Richard Kolbush, Robert S. Kroninger | 2004-08-31 |
| 5038366 | Frequency multiplexed full duplex 4800 BPS modem | John F. Stockman | 1991-08-06 |
| 4937839 | Frequency multiplexed full duplex 4800 bps modem | John F. Stockman | 1990-06-26 |
| 4731800 | Raised-cosine filtering for modems | John F. Stockman | 1988-03-15 |
| 4726029 | Error-correcting modem | John F. Stockman | 1988-02-16 |
| 4597089 | Single pulse fast learn modem | Andrew M. Kameya | 1986-06-24 |
| 4458355 | Adaptive phase lock loop | Naif D. Salman | 1984-07-03 |