Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434941 | Ordinary temperature heat engine | Hiroshi Usui | 2002-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434941 | Ordinary temperature heat engine | Hiroshi Usui | 2002-08-20 |