Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665898 | Method and apparatus for testing solenoids in a safety system by bypassing the solenoid operated pilot valve | Martin James Smith, Peter Yau-kwong Leung, Larry Drake, Richard Thomas Mangan | 1997-09-09 |