Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533436 | Apparatus for blow line addition of thermosettable binder in fiberboard manufacture including a cooling nozzle | William E. Betzner | 1985-08-06 |
| 4407771 | Blow line addition of isocyanate binder in fiberboard manufacture | William E. Betzner, Allen R. Hill | 1983-10-04 |
| 4402896 | Blow line addition of thermosettable binder in fiberboard manufacture utilizing cooled nozzle | William E. Betzner | 1983-09-06 |