Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883085 | Method of installing a stopper in a fitting and apparatus therefor | Michael E. Weller | 1989-11-28 |
| 4848730 | Structure for sealing and affixing a cover on a valve body and method of manufacture | Timothy M. Logman, Dennis W. Humes, Carl E. Floren, Gary L. Bouc | 1989-07-18 |
| 4823977 | Abandoning plug for hose nozzle | Mervin D. Stanley | 1989-04-25 |
| 4813281 | Underground meter box | — | 1989-03-21 |