Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834062 | Multiblade inner hole saw for the sawing of crystal rods into thin blades | Walter Frank | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834062 | Multiblade inner hole saw for the sawing of crystal rods into thin blades | Walter Frank | 1989-05-30 |