2 trademarks were found for owners matching the name WILLIS OIL TOOL CO..
#Classstatus
1 S:73118997
M:WILLIS
O:WILLIS OIL TOOL CO.
6, 9 Dead
2 S:73119074
M:W

O:Smith International, Inc., Willis Oil Tool Co.
6, 9 Dead
Trademark Alertz updated from USPTO on 2030-01-24