Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185297 | Low power dialer | Marshall William Pharoah, Valentin Purits, Neal Rudolph, John R. Zabel | 2001-02-06 |
| 5546025 | Low frequency discrimator using upper and lower thresholds | — | 1996-08-13 |