Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059310 | Analytical sieve apparatus | Manfred Fischer, Johannes Kaiser, Klaus Keuser, Wilheim Wust | 1991-10-22 |
| 4575420 | Beater-type power sieve with full spring mounting | Wolfram Blachetta | 1986-03-11 |