Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31884 | Method for leakage measurement | Earl W. Smith | 1985-05-14 |
| 4300388 | Method for leakage measurement | Earl W. Smith | 1981-11-17 |
| 4281534 | Sensor for measuring leakage | — | 1981-08-04 |
| 4253490 | Vortex eliminator | — | 1981-03-03 |