Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815044 | Seismic signal transmission system using relay radios | Bernard-Andre Deconinck, Joseph Rialan, Gerard Thierry | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815044 | Seismic signal transmission system using relay radios | Bernard-Andre Deconinck, Joseph Rialan, Gerard Thierry | 1989-03-21 |