Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851556 | Process for the preparation of epoxidized polybutadienes | Rainer Siegmeier, Andreas Grund, Guenter Prescher | 1989-07-25 |
| 4474470 | Arrangement for color detection in map-plotting or other printed materials | Christhard Deter | 1984-10-02 |