Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864895 | Method and apparatus for adjusting the true running of the cutting edge of annular saw blades | — | 1989-09-12 |
| 4834062 | Multiblade inner hole saw for the sawing of crystal rods into thin blades | Gerhard Palme | 1989-05-30 |