Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428406 | Soft polishing disc with holes and method of manufacturing the same | Tsuneo Katsuyama | 2002-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428406 | Soft polishing disc with holes and method of manufacturing the same | Tsuneo Katsuyama | 2002-08-06 |