Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898643 | Headbox control apparatus for a papermaking machine | Elmer Weisshuhn, Alfred Bubik, Hans Dahl, Herbert Holik, Rudiger Kurtz +3 more | 1990-02-06 |
| 4897158 | Headbox apparatus for a papermaking machine | Elmer Weisshuhn, Alfred Bubik, Hans Dahl, Herbert Holik, Rudiger Kurtz +3 more | 1990-01-30 |
| 4888094 | Method of operating a headbox apparatus for a papermaking machine | Elmer Weisshuhn, Alfred Bubik, Hans Dahl, Herbert Holik, Rudiger Kurtz +3 more | 1989-12-19 |
| 4184268 | Dryer drum for a paper making machine | Alan Christin | 1980-01-22 |