Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909016 | Rotary film sealing and severing head for thermoplastics | John M. Pamperin | 1990-03-20 |
| 4840009 | Rotary film sealing and severing head for thermoplastics | John M. Pamperin | 1989-06-20 |