Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862671 | Machine for thermoforming an imprevious film inside a cardboard container for packaging a foodstuff to be preserved and for closing the container | Roger Lanoiselee, Philippe Dropsy | 1989-09-05 |