Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971633 | Rotatable seal for ball valve | — | 2005-12-06 |
| 6732878 | Venting lid apparatus for tank opening | — | 2004-05-11 |
| 5673896 | Reduced length bolted ball valve | — | 1997-10-07 |
| 5595217 | Dry break coupling assembly with cam-locking connection system | Stephen L. Biggs | 1997-01-21 |
| 4535948 | Dispenser | — | 1985-08-20 |