2 trademarks were found for owners matching the name POLYPHASE INSTRUMENT COMPANY.
#Classstatus
1 S:73784543
M:VOLTOHMYST
O:POLYPHASE INSTRUMENT COMPANY
9 Dead
2 S:73667773
M:POLYPHASE
O:POLYPHASE INSTRUMENT COMPANY
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24