2 trademarks were found for owners matching the name Duane Hamacher.
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1 TM: 1985888
Desc: Australian Aboriginal Astronomy
Owner: Duane Hamacher
Class: 41
Status: Lapsed: Not accepted
2 TM: 2381404
Desc: Blood Runs Dry
Owner: Sergei Tumanov, Maksims Tkachenko, Duane Hamacher
Class: 41
Status: Registered: Registered/protected