2 trademarks were found for owners matching the name Greenstone Slate Co., Inc..
#Classstatus
1 S:76683080
M:GREENSTONE SLATE
O:Greenstone Slate Co., Inc.
19 Registered
2 S:75172612
M:GREENSTONE SLATE
O:Greenstone Slate Co., Inc.
19 Dead
Trademark Alertz updated from USPTO on 2030-01-24