Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467921 | Control unit having control elements which can be illuminated | — | 2002-10-22 |
| 6451079 | Pocket filter having inner frames mounted within an outer frame | Uwe Westphal | 2002-09-17 |