Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353841 | Pneumatic plug for clean-out tees | Allen D. Mathison, Bryan Benson | 1994-10-11 |
| D350704 | Pneumatic test plug | Allen D. Mathison, Bryan Benson | 1994-09-20 |
| 5329646 | Drain flusher device | Steven J. Hiemsoth | 1994-07-19 |