Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932041 | Method for the fusion cutting of thermoplastic sheets and textile webs | Wilhelm Haag, Otto Wiedemann | 1999-08-03 |
| 4191213 | Change over device for continuously casting various emulsions for photographic purposes | Wilhelm Haag, Herbert Heindze | 1980-03-04 |