| Anmelder |
Datum |
Patentnummer |
Cluster |
| International Lead Zinc Research Organization, Inc. (New York, NY) |
1977-12-06 | 4202523.txt | cluster_28 |
| E I du Pont de Nemours and Company (Wilmington, DE, US) |
2009-05-13 | 8440292.txt | cluster_13 |
| E I du Pont de Nemours and Company (Wilmington, DE, US) |
2009-05-13 | 8784980.txt | cluster_13 |