| Anmelder |
Datum |
Patentnummer |
Cluster |
| Rohm and Haas Company (Philadelphia, PA) |
1977-05-02 | 4183991.txt | cluster_34 |
| Rodenstock, Optik G. (DE) |
1994-07-27 | EP0662978A1.txt | cluster_34 |
| Optische, Werke Rodenstock G. (Munich, DE) |
1998-01-12 | 6171525.txt | cluster_34 |