2 trademarks were found for owners matching the name KOELSCH, WILLIAM A..
#Classstatus
1 S:74036041
M:DATA SPONGE
O:Koelsch, Charlotte C., Koelsch, William A.
7 Dead
2 S:74036128
M:MACHINE MINDER
O:KOELSCH, CHARLOTTE C., KOELSCH, WILLIAM A.
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24