Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D443489 | Hand carrying device for plates | — | 2001-06-12 |
| 5557923 | Method and device for removing particles from exhaust gases from internal combustion engines | Heinz Bölt, Axel Schoneborn | 1996-09-24 |