Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605677 | Remineralizing dental care preparation | Klaus Schumann, Franz Foerg | 1997-02-25 |
| 5279814 | Oral-hygiene/dentifrice preparations which protect dental enamel | Peter Wuelknitz, Walter Ploeger | 1994-01-18 |