Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500251 | Multi-coated interference pigments | Stephanie Andes, Gunter Brenner, Dieter Bruckner, Michael Schmelz, Andrea Heyland +3 more | 2002-12-31 |
| 6368196 | Blade sharpener for curved and straight edge blades | — | 2002-04-09 |
| 6364750 | Blade sharpener for curved and straight edge blades | — | 2002-04-02 |