Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668367 | Optical space monitoring apparatus comprising light guiding fibers transmitting light through the space to be monitored | Hartmut Wintrich | 1997-09-16 |
| 5615778 | Process to sort waste mixtures | Dieter Kaiser | 1997-04-01 |