Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581626 | Backflow prevention apparatus | Brad L. Noll, William M. Orr | 2003-06-24 |
| 5913331 | Check valve | Brad L. Noll, Kirk Johnson | 1999-06-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581626 | Backflow prevention apparatus | Brad L. Noll, William M. Orr | 2003-06-24 |
| 5913331 | Check valve | Brad L. Noll, Kirk Johnson | 1999-06-22 |