2 trademarks were found for owners matching the name Rieckhoff, Gustav J..
#Classstatus
1 S:77357372
M:EQUA-TONE
O:Rieckhoff, Gustav J.
15 Dead
2 S:77114849
M:B.PORTNOY DES ARTISTES

O:Rieckhoff, Gustav J.
15 Dead
Trademark Alertz updated from USPTO on 2030-01-24