Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594503 | Communication device with dial function using optical character recognition, and method | Volker Martschink | 2003-07-15 |
| 6549254 | Bragg reflection optical device and methods for the manufacturing thereof | Joachim Grupp, Peter Kipfer, Toralf Scharf, Christian Bohley, Rolf Klappert | 2003-04-15 |