Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603948 | Active ingredient patch for low-melting and/or volatile active ingredients | Hans P. Merkle, Dietrich Schacht, Hans-Michael Wolff | 1997-02-18 |
| 5527536 | Active ingredient patch for low-melting and/or volatile active ingredients | Hans P. Merkle, Dietrich Schacht, Hans-Michael Wolff | 1996-06-18 |