Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633146 | Paper bag and manufacturing method for a paper bag | — | 2020-04-28 |
| 10144552 | Paper bag | Eduard Lisek, Michael Merschmann, Jens Stamm | 2018-12-04 |
| 10071834 | Paper sack | Eduard Lisek | 2018-09-11 |
| 4565597 | Method for producing a veneer web | — | 1986-01-21 |