Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290621 | Flat-topped wave-board panel | Lars Bach | 1994-03-01 |
| 5000673 | Process and apparatus for preparing a flat-topped wave-board panel | Lars Bach | 1991-03-19 |
| 4675138 | Process for the manufacture of a corrugated wafer board panel | Lars Bach | 1987-06-23 |
| 4616991 | Apparatus for the manufacture of a corrugated wafer board panel | Lars Bach | 1986-10-14 |