Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932886 | Multi-ply fibrous plasterboard web | Alexander Wassermann | 2005-08-23 |
| 6616811 | Machine for the manufacture of a multi-layer fibrous web | Alexander Wassermann, Thomas Nagler | 2003-09-09 |