Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797419 | Sewer line trap priming assembly and antisiphoning conduit component therefor | Charles H. Perrott | 1998-08-25 |
| 5678588 | Sewer line multiple trap priming system and method | Charles H. Perrott | 1997-10-21 |