Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336621 | Divalent hapten derivatives | Gerald Sigler, Gerd Grenner, Wolfgang Kapmeyer | 1994-08-09 |
| 4760142 | Divalent hapten derivatives | Gerald Sigler, Gerd Grenner, Wolfgang Kapmeyer | 1988-07-26 |