Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904334 | Quiet high flow control valve | James R. Shannon | 1999-05-18 |
| 5855355 | Quiet and constant flow control valve | James R. Shannon | 1999-01-05 |
| 5738138 | Reduced water hammer control valve | James R. Shannon | 1998-04-14 |