Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367312 | Heat-sealable packaging film producing a peelable seal | Walter Bontinck, Roland Jacobs | 1983-01-04 |
| 4361237 | Heat sealable packaging film producing a peelable seal | Robert Heiremans, Roland Jacobs | 1982-11-30 |