Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7097909 | Nonfelting wool and antifelt finishing process | Bernhard Jansen, Ralf Heinen | 2006-08-29 |
| 6649029 | Nonfelting wool and antifelt finishing process | Bernhard Jansen, Ralf Heinen | 2003-11-18 |