Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805620 | Grindstone having resinoid abrasive structure including abrasive agglomerates each provided by vitrified abrasive structure | Tsuguo Kusakabe, Yasushi Sato | 2004-10-19 |