Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955219 | Earth loop installation with sonic drilling | — | 2005-10-18 |
| 6860320 | Bottom member and heat loops | Thomas R. Amerman | 2005-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955219 | Earth loop installation with sonic drilling | — | 2005-10-18 |
| 6860320 | Bottom member and heat loops | Thomas R. Amerman | 2005-03-01 |