3 trademarks were found for owners matching the name KEYSTONE BRASS .
#Classstatus
1 S:73397255
M:KEYSTONE FRANKLIN
O:KEYSTONE BRASS & RUBBER CO.
6, 21 Dead
2 S:71566039
M:RESTRAWARE

O:KEYSTONE BRASS WORKS, INC.
2 Dead
3 S:72120892
M:PLASTIGLIDE
O:ILLINOIS TOOL WORKS INC., JACOB HOLTZ COMPANY, KEYSTONE BRASS & RUBBER COMPANY, PLASTIGLIDE ACQUISITION CO., LLC, PLASTIGLIDE INC, Plastiglide Manufacturing Corporation
13 Registered
Trademark Alertz updated from USPTO on 2030-01-24