Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629419 | CFC 12 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-10-07 |
| 6606868 | R 22 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-08-19 |
| 6604368 | R 12 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-08-12 |