Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474120 | Bolt assembly | Martin James Wadsworth | 2002-11-05 |
| 6446666 | Valve lock and adapter | Martin James Wadsworth | 2002-09-10 |
| 6213148 | Valve lock and adapter | Martin James Wadsworth | 2001-04-10 |
| 6135417 | Valve spindle actuator | Martin James Wadsworth | 2000-10-24 |
| 5746245 | Meters | — | 1998-05-05 |
| 4923359 | Extendable boom for belt-conveyor | Woldemar R. Petri | 1990-05-08 |