Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448238 | Heat exchange system and process for heating and cooling using geothermal energy | James M. Whitney | 1984-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448238 | Heat exchange system and process for heating and cooling using geothermal energy | James M. Whitney | 1984-05-15 |