Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783178 | Method of manufacturing a web of plastic bags | — | 1988-11-08 |
| 4636190 | Apparatus for manufacturing a web of plastic bags | — | 1987-01-13 |
| 4561107 | Web of plastic bags | — | 1985-12-24 |
| 4412487 | Apparatus for manufacturing a printed plastic article | Roelof Muis | 1983-11-01 |
| 4395379 | Method and device for forming an internal annular groove in a plastic tube part | Wilhelmus F. T. C. Olderaan | 1983-07-26 |