Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350123 | Hand-held power tool with a combustion motor | Heinz Emmerich | 1982-09-21 |
| 4238222 | Waelz process of volatilizing zinc and lead from iron oxide-containing materials | Harry Serbent, Gerhard Reuter, Wolfram Schnabel | 1980-12-09 |