Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379089 | Separation type hole saw | Mitsuo Sugiura | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379089 | Separation type hole saw | Mitsuo Sugiura | 2002-04-30 |