Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484039 | SIM card with directory entries for mobile telephones | Bernd Adameit, Karsten Homann | 2002-11-19 |
| 6130628 | Device for inputting alphanumeric and special symbols | Matthias Schneider-Hufschmidt | 2000-10-10 |