trademarks were found for owners matching the name Pennsylvania Glass Sand Corporation.| # | Class | status | |
|---|---|---|---|
| 1 |
S:73118736
M:PENN-SAND O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Registered |
| 2 |
S:73032756
M:PGS 
O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Dead |
| 3 |
S:71680790
M:SNOW WHITE 
O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Registered |
| 4 |
S:71680791
M:SUPERSIL 
O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Dead |
| 5 |
S:71682587
M:Q-ROK 
O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Registered |
| 6 |
S:72128751
M:MIN-U-SIL O:PENNSYLVANIA GLASS SAND CORPORATION, U.S. SILICA COMPANY |
1 | Registered |
