2 trademarks were found for owners matching the name Porter, H. David.
#Classstatus
1 S:85864371
M:SOCIAL ARCHITECTURE
O:Porter H. David
35, 42 Dead
2 S:85864441
M:SOCIAL ARCHITECT
O:Porter, H. David
35, 42 Dead
Trademark Alertz updated from USPTO on 2030-01-24