Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887469 | High accuracy turbine flowmeter with optical sensor | — | 1989-12-19 |
| 4885943 | Electronic flowmeter system and method | Terence S. Tootell, Keith Wilson | 1989-12-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887469 | High accuracy turbine flowmeter with optical sensor | — | 1989-12-19 |
| 4885943 | Electronic flowmeter system and method | Terence S. Tootell, Keith Wilson | 1989-12-12 |