4 trademarks were found for owners matching the name Stephen J Duffy.
#Classstatus
1 S:86924097
M:CRYO CHILLER
O:Stephen J Duffy
43 Dead
2 S:85037151
M:ECO FILTER-PLUS
O:Stephen J Duffy
6 Dead
3 S:77897572
M:GUTTERSTUFFPRO
O:Stephen J Duffy
6 Dead
4 S:77860992
M:GOLF SOCIETIES OF AMERICA
O:Stephen J Duffy
41 Dead
Trademark Alertz updated from USPTO on 2030-01-24