Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946921 | Method for repairing HFC refrigerant system | William Henry Mapes, III, John Joseph Hellmueller, Jr. | 1999-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946921 | Method for repairing HFC refrigerant system | William Henry Mapes, III, John Joseph Hellmueller, Jr. | 1999-09-07 |