Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403505 | Composite material | Dieter Groitzsch, Engelbert Locher | 2002-06-11 |
| 6404420 | Electronic device having a rotary switch and a display screen | Axel Hengst | 2002-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403505 | Composite material | Dieter Groitzsch, Engelbert Locher | 2002-06-11 |
| 6404420 | Electronic device having a rotary switch and a display screen | Axel Hengst | 2002-06-11 |