2 trademarks were found for owners matching the name Stiffler, Darrell G..
#Classstatus
1 S:86058166
M:I MY VETERAN

O:Stiffler, Darrell G.
25 Dead
2 S:77899950
M:STIFFLER HEXAGON CONSTRAINT MODEL
O:Stiffler, Darrell G.
41 Dead
Trademark Alertz updated from USPTO on 2030-01-24