DUPLEX METALS Co
DUPLEX METActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1001669A | Compound metal body and process of making the same. | Expired / Lapsed | 1908-01-29 | 1911-08-29 | 0 | Details |
| US929778A | Compound metal body and process of producing same. | Expired / Lapsed | 1909-06-16 | 1909-08-03 | 0 | Details |
| US909924A | Compound metal body and process of producing same. | Expired / Lapsed | 1907-04-24 | 1909-01-19 | 0 | Details |
| US894164A | Compound metal body and process of producing same. | Expired / Lapsed | 1907-04-24 | 1908-07-21 | 0 | Details |
| US894163A | Compound metal body and process of producing same. | Expired / Lapsed | 1907-04-17 | 1908-07-21 | 0 | Details |