Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7382895 | Tailgating and reverse entry detection, alarm, recording and prevention using machine vision | Carl R. Witty, Seth Michael LaForge | 2008-06-03 |
| 5056758 | Valve stem packing structure | — | 1991-10-15 |
| 4976403 | Valve with metallic bellows valve stem seal | — | 1990-12-11 |
| 4822000 | Eccentric segmented ball valves | — | 1989-04-18 |