Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7243711 | Efficient heat exchanger and engine using same | Aaron Kenneth Amstutz, Timothy Alan Bruce, Bruce Hershock, Sandra L. Ketcherside, John A. Nelson +2 more | 2007-07-17 | $51,547,000 |