Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840791 | Laser-markable polymer moulding compositions | Herbert Magerstedt | 1998-11-24 |
| 5717018 | Laser-inscribable polymer moulding compositions | Herbert Magerstedt, Aziz El-Sayed | 1998-02-10 |
| 5576377 | Polymer moulding materials for producing a partial color change by laser energy, particularly for the production of colored markings | Aziz El Sayed, Salvatore Messina, Herbert Magerstedt, Karsten-Josef Idel, Edgar Ostlinning | 1996-11-19 |