Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889489 | Device with spindle and grinding disk, particulary for dentists, and method for the manufacture thereof | — | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889489 | Device with spindle and grinding disk, particulary for dentists, and method for the manufacture thereof | — | 1989-12-26 |