Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428603 | Synchronous time division multiple access interrogate-respond data communication network | — | 1995-06-27 |
| 5420883 | Train location and control using spread spectrum radio communications | Marvin D. Swensen, Gregory L. Mayhew, John G. Himes, David Long | 1995-05-30 |