Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D423670 | Endodontic sealer cartridge | Fritz Kohnke | 2000-04-25 |
| 5358150 | Pressurized fluid dispensing device | Oscar Malmin, Fritz Kohnke | 1994-10-25 |
| 5045066 | Dental needle with stick resistant protective sleeve | Fritz Kohnke, Guenther Paczka | 1991-09-03 |