Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972935 | Apparatus for fixing the position of test zones of a test strip and for reversing the latter | Jurgen Gross, Hans D. Sanger | 1990-11-27 |
| 4269409 | Original document transport mechanism for electrophotographic copying machines | Peter Gumm, Hermann Idstein, Horst Witte | 1981-05-26 |