Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701328 | Chirped spread spectrum positioning system | Leonard Schuchman | 1997-12-23 |
| 5638399 | Multi-beam satellite communication system with user terminal frequencies having transceivers using the same set of frequency hopping | Leonard Schuchman, Aaron Weinberg | 1997-06-10 |
| 5630206 | Position enhanced cellular telephone system | G. Daniel Urban, Robert McCarthy, David Schuchman | 1997-05-13 |
| 5604765 | Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system | Leonard Schuchman, Lloyd Engelbrecht | 1997-02-18 |