Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402656 | Control of tubular film size | — | 1983-09-06 |
| 4272231 | Air cooling ring for plastic film with independent lubricating air for film guide surface | — | 1981-06-09 |
| 4236884 | Internal air cooling of tubular plastic film | — | 1980-12-02 |
| 4230029 | Cutting assembly useful in bag machines | — | 1980-10-28 |