About 51 Trademarks found that are owned by PIttsburgh Plate Glass Company

Class 16 (17)

Class 12 (8)

Class 6 (6)

Class 33 (6)

Class 1 (4)

Class 52 (3)

Class 5 (2)

Class 29 (2)

Class 32 (1)

Class 35 (1)

Class 38 (1)

Class 100 (1)

Class 107 (1)