Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452284 | Paper machine screen and process for production thereof | Hermann Wandel | 1984-06-05 |
| 4311172 | Multi-layer spliced drainage sieve belt and method for splicing same | — | 1982-01-19 |