Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090871 | Composition containing pyrrolizidine-alkaloid-free petasites | Reiner Rittinghausen | 2006-08-15 |
| 6551626 | Composition containing pyrrolizidine-alkaloid-free petasites | Reiner Rittinghausen | 2003-04-22 |