Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745084 | Valve positioner system | Henry W. Boger, Peter Levesque, Larry Gene Schoonover, Raymond Villier, Denis Vital +2 more | 2004-06-01 |
| 6453261 | Valve positioner system | Henry W. Boger, Peter Levesque, Larry Gene Schoonover, Raymond Villier, Denis Vital +2 more | 2002-09-17 |
| 6272401 | Valve positioner system | Henry W. Boger, Peter Levesque, Larry Gene Schoonover, Raymond Villier, Denis Vital +2 more | 2001-08-07 |