Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200266 | Method for producing construction panels using air hardening | — | 1993-04-06 |
| 4496636 | Process for depositing a coat of paint on wood-cement boards | — | 1985-01-29 |
| 4468361 | Process for imparting surface-structures to wood-cement boards | Karlheinz Monkeberg | 1984-08-28 |