2 trademarks were found for owners matching the name H. Koch .
#Classstatus
1 S:74674997
M:K H. KOCH & SONS CO.

O:CARLETON LIFE SUPPORT SYSTEMS INC., CONAX FLORIDA CORPORATION, H. Koch & Sons Co.
9, 12 Dead
2 S:72196532
M:KOCH-TRED

O:H. KOCH & SONS, INC.
12 Dead
Trademark Alertz updated from USPTO on 2030-01-24