Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191646 | Positive displacement flow meter | Thomas J. Gray | 2007-03-20 |
| 5908031 | Interlocking removable pipe base | Gerald J. Hulsebus | 1999-06-01 |
| D372335 | Water pipe | — | 1996-07-30 |