Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746920 | Process for purifying dairy wastewater | Peter Boergardts, Walter Troesch | 1998-05-05 |
WK
Wolfgang Krischke
Overall (All Time): #3,682,977 of 4,157,543Top 90%
1
Patents All Time