Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406806 | Automatic charge refrigerant transfer system | William H. Ricketts | 1995-04-18 |
| 5230224 | Refrigerant recovery system | William H. Ricketts, Charles L. York | 1993-07-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5406806 | Automatic charge refrigerant transfer system | William H. Ricketts | 1995-04-18 |
| 5230224 | Refrigerant recovery system | William H. Ricketts, Charles L. York | 1993-07-27 |