Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11740033 | Heat exchanger, exchanger plate, and method of construction | — | 2023-08-29 |
| 10301528 | Method, apparatus, header, and composition for ground heat exchange | Michael Fraim, Brandon A. Larson | 2019-05-28 |
| 9816023 | Method, apparatus, header, and composition for ground heat exchange | Michael Fraim, Brandon A. Larson | 2017-11-14 |