Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6591025 | Optical sensing system | Han-Sun Choi, Greyson Knapp, Reinis Kanders, John L. Maida, Tom O'Brien | 2003-07-08 | $5,048,000 |
| 6522797 | Seismic optical acoustic recursive sensor system | Grevson Knapp, John L. Maida | 2003-02-18 | $2,736,000 |
| 5627798 | Hierarchical telemetry system for seismic acquisition | Gary L. Scott | 1997-05-06 | |
| 5058080 | Multiple transmission path seismic telemetering system | Marvin K. Amerine, Loring C. Chien, William P. Vorheier | 1991-10-15 | $6,977,000 |
| H276 | Optical time break detector | — | 1987-05-05 | |
| 4654660 | Optical telemetric transceiver | — | 1987-03-31 | |
| 4390974 | Seismic data telemetric system | — | 1983-06-28 | |
| 4281403 | Seismic data recording method and apparatus | James A. Porter | 1981-07-28 |