Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759962 | Elastomeric sealing gasket assembly and its method of manufacture | Hans-Juergen Buecken, Hans-Ulrich Hempel | 1988-07-26 |
| 4415124 | Method for the production of micropowders from cellulose ethers or cellulose | Franz-Josef Carduck, Wilfried Rahse, Willi Wust | 1983-11-15 |