Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302446 | Union fitting replacement nut | Wayne Spears | 2001-10-16 |
| 6149107 | Pipe fitting support bracket | Steven H. Kerr | 2000-11-21 |
| 6142173 | High purity corrosion resistant butterfly valve | Jose Maria D. Magno, Jr., Garry L. Miller, Douglas Swingley | 2000-11-07 |
| 5437481 | Durable plastic/metal transition fitting | Wayne Spears | 1995-08-01 |