Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369626 | Lightning protection for seismic data acquisition system | — | 1994-11-29 |
| 5303202 | Method for detecting breaks in geophone cables for seismic data acquisition system | Glenn D. Fisseler | 1994-04-12 |