2 trademarks were found for owners matching the name National Hydropower Association.
#Classstatus
1 S:97523712
M:CLEAN CURRENTS
O:National Hydropower Association
41 Registered
2 S:74525874
M:ANOTHER BENEFIT OF HYDRO POWER

O:National Hydropower Association
42 Registered
Trademark Alertz updated from USPTO on 2030-01-24