Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407746 | Platelet-like substrates | Constanze Prengel, Johann Dietz | 1995-04-18 |
| 5310578 | Deposition of cosmetically functional material onto pigments and fillers | Jane Hollenberg, Ian Richard Scott | 1994-05-10 |