Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264012 | Rotating cooling wheel and method of manufacturing the same and drum brake | Tsutomu Hamabe | 2001-07-24 |
| 5957249 | Rotating cooling wheel and method of manufacturing the same and drum brake | Tsutomu Hamabe | 1999-09-28 |