Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863379 | Valve arrangement for hand-operated dental tools | Ake Timerdahl | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863379 | Valve arrangement for hand-operated dental tools | Ake Timerdahl | 1989-09-05 |