Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9632207 | Seismic data recording | John Christopher Whelan, Jonathan Alexander | 2017-04-25 |
| 8547796 | Seismic data recording | John Christopher Whelan, Jonathan Alexander | 2013-10-01 |
| 8547797 | Seismic data recording | John Christopher Whelan, Jonathan Alexander | 2013-10-01 |
| D387323 | Wheel chock | — | 1997-12-09 |
| 5381505 | Optical fibers with a light absorbing coating | Frederick J. Fischietto, Ralph Jones, Mark S. Zetter | 1995-01-10 |