Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894603 | Method and apparatus for analysis of gas by means of absorption frequency regulation | Lutz-Michael Berger, Heimo BRETON, Helmut Giraud, Gunther Krieg, Gerhard Schmitt | 1990-01-16 |
| 4650757 | Process of enzymatic conversion of polysaccharides | Marie-Henriette L. David, Jean-Claude Marie-Pierre Ghislain De Troostembergh | 1987-03-17 |
| 4578547 | Electric switch | Hermann Oesterle | 1986-03-25 |