Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665572 | Method and device for operating an installation of a primary industry | Hans-Peter Buervenich, Gerhard Dachtler | 2003-12-16 |
| 5394833 | Animal waste disposal apparatus | — | 1995-03-07 |