| Anmelder |
Datum |
Patentnummer |
Cluster |
| W. R. Grace & Co. (Cambridge, MA) |
1978-01-23 | 4248960.txt | cluster_45 |
| Schenectady International, Inc. (Schenectady, NY) |
2000-02-02 | 6455111.txt | cluster_45 |
| Altana Electrical Insulation GmbH (Wesel, DE) |
2000-07-31 | 7160961.txt | cluster_45 |