3 trademarks were found for owners matching the name PROTO CORPORATION.
#Classstatus
1 S:74045400
M:PROTOP
O:PROTO CORPORATION
17 Registered
2 S:73599311
M:LOSMOKE
O:PROTO CORPORATION
20 Registered
3 S:73499529
M:LOSMOKE
O:PROTO CORPORATION
20 Registered
Trademark Alertz updated from USPTO on 2030-01-24