Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257296 | Pressure plate arrangement for production of multilayer corrugated cardboard | Dieter Pallas, Jurgen Becker-Viereck | 2001-07-10 |
| 4765216 | Knife shaft pair for cutting web-like material, in particular undulated board | Gerald A. Martin | 1988-08-23 |
| 4581095 | One-sided corrugated cardboard machine | — | 1986-04-08 |
| 4563930 | Machine for longitudinally cutting and grooving a length of material, especially corrugated board | Arthur A. Dirks | 1986-01-14 |
| 4556444 | Heating device for corrugated cardboard in a corrugated cardboard pasting machine | — | 1985-12-03 |