Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179904 | Flushing machine with liquid/air separating tank | Jack Brass | 2001-01-30 |
| 5450875 | For a refrigerant service line coupling device | Dennis B. Chichester | 1995-09-19 |
| RE34781 | Coupling adapter | Robert D. Spalink, John T. Kosztowny | 1994-11-08 |
| 5265438 | Dual restrictor flow control | Frederick J. Pilon | 1993-11-30 |
| 5182922 | Automotive air-conditioning system | Alan R. Allread, Dennis B. Chichester, Russell L. Rogers | 1993-02-02 |
| 5180194 | Automotive air-conditioning system | Alan R. Allread, Dennis B. Chichester, Russell L. Rogers | 1993-01-19 |
| 5139049 | Refrigeration system service adapter | Jon Jensen, Robert A. Laipply | 1992-08-18 |
| 4921013 | Coupling adapter | Robert D. Spalink, John T. Kosztowny | 1990-05-01 |
| 4896696 | Flow control restrictor | Andrew Bradley, Frederick J. Pilon | 1990-01-30 |
| 4892117 | Refrigeration coupling | Robert D. Spalink, John T. Kusztowny | 1990-01-09 |
| 4610466 | Convertible flare/braze fitting | Linda L. Geer | 1986-09-09 |
| 4484384 | Hand operated fitting swager | — | 1984-11-27 |
| 4290276 | Valve with frangible closure | — | 1981-09-22 |