Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343936 | Spiral ripple circumferential flow heat exchanger | Paul K. Beatenbough, Clark E. Stohl | 1994-09-06 |
| 5203832 | Circumferential flow heat exchanger | Paul K. Beatenbough, Clark E. Stohl | 1993-04-20 |
| 5179999 | Circumferential flow heat exchanger | Jeffrey P. Benson | 1993-01-19 |