Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232201 | Plastic ball valve stem seal | Ricky E. Spears, Stephen M. Horvath | 1993-08-03 |
| 5169124 | Method for assembling a plastic ball valve | Ricky E. Spears, Stephen M. Horvath | 1992-12-08 |
| 5165658 | Plastic ball valve ball seal means | Ricky E. Spears, Stephen M. Horvath | 1992-11-24 |