Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888094 | Method of operating a headbox apparatus for a papermaking machine | Elmer Weisshuhn, Alfred Bubik, Hans Dahl, Herbert Holik, Anton Zembrot +3 more | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888094 | Method of operating a headbox apparatus for a papermaking machine | Elmer Weisshuhn, Alfred Bubik, Hans Dahl, Herbert Holik, Anton Zembrot +3 more | 1989-12-19 |