Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086832 | Mechanically interlocked multi tube heat exchanger core | Douglas L. Sattelberg | 1992-02-11 |
| 5062477 | High efficiency heat exchanger with divider rib leak paths | — | 1991-11-05 |
| 5029636 | Oil cooler with louvered center | — | 1991-07-09 |