Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846349 | Method and equipment for the production and packaging operation of a continuous manufacture of small bags with longitudinal folds and transversal pre-incisions and manufacture thus packaged | — | 1989-07-11 |
| 4844956 | Product made up of a roll of valved synthetic resin bags, with transversal weldings and pre-established separation lines, for filing the bags before separation | — | 1989-07-04 |