Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415724 | Heat sealing assembly for pouch-making packaging machines | — | 1995-05-16 |
| 5355656 | Heat sealing element for packaging machines which make lap-sealed pouches | — | 1994-10-18 |
| 5326416 | Heat sealing jaw assembly with film slackener | — | 1994-07-05 |
| 5038550 | Vertical form and fill machine improvements | Ralph C. Wirsig | 1991-08-13 |