2 trademarks were found for owners matching the name Preston J. Hall.
#Classstatus
1 S:78808363
M:RV HOLDING TANK SERVICE ALL PRO WATER-FLOW

O:Preston J. Hall
37 Dead
2 S:78792906
M:ALL PRO WATER-FLOW
O:Preston J. Hall
37 Dead
Trademark Alertz updated from USPTO on 2030-01-24