2 trademarks were found for owners matching the name Humphrey, Calvin.
#Classstatus
1 S:77250638
M:RIVER HAWK AVIATION
O:Humphrey, Calvin
12, 37, 39 Dead
2 S:77250646
M:RIVER HAWK
O:Humphrey, Calvin
12, 37, 39 Dead
Trademark Alertz updated from USPTO on 2030-01-24