Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338280 | Fluid sampling | R. Barry Stevens | 1982-07-06 |
| 4298026 | Spool valve | — | 1981-11-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338280 | Fluid sampling | R. Barry Stevens | 1982-07-06 |
| 4298026 | Spool valve | — | 1981-11-03 |