Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5450875 | For a refrigerant service line coupling device | Steven M. Knowles | 1995-09-19 |
| 5248168 | Flexible quick disconnect coupling with vibration absorbing member | Roger A. Cassell | 1993-09-28 |
| 5182922 | Automotive air-conditioning system | Alan R. Allread, Russell L. Rogers, Steven M. Knowles | 1993-02-02 |
| 5180194 | Automotive air-conditioning system | Alan R. Allread, Russell L. Rogers, Steven M. Knowles | 1993-01-19 |