Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257239 | Earth coil heating and cooling system | James R. Partin, James E. Bose | 1981-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257239 | Earth coil heating and cooling system | James R. Partin, James E. Bose | 1981-03-24 |