Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321548 | Apparatus for automatically closing a cooling system expansion valve in response to power loss | Raynald C. Clarke | 2001-11-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321548 | Apparatus for automatically closing a cooling system expansion valve in response to power loss | Raynald C. Clarke | 2001-11-27 |