trademarks were found for owners matching the name DUQUESNE MINE SUPPLY COMPANY.| # | Class | status | |
|---|---|---|---|
| 1 |
S:75253355
M:DU 
O:Duquesne Mine Supply Company |
6 | Dead |
| 2 |
S:71551779
M:DUKANE 
O:DUQUESNE MINE SUPPLY COMPANY |
21 | Dead |
| 3 |
S:71551780
M:REDIPT 
O:DUQUESNE MINE SUPPLY COMPANY |
23 | Dead |
| 4 |
S:71580877
M:REDIPT 
O:DUQUESNE MINE SUPPLY COMPANY |
13 | Dead |
| 5 |
S:71580878
M:REDIPT 
O:DUQUESNE MINE SUPPLY COMPANY |
19 | Dead |
| 6 |
S:72191844
M:DU 
O:DUQUESNE MINE SUPPLY COMPANY |
23 | Dead |
| 7 |
S:72284177
M:DUKANE O:DUQUESNE MINE SUPPLY COMPANY |
13, 14, 23 | Dead |
