2 trademarks were found for owners matching the name Thomas L Duncan.
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1 TM: 1129052
Desc: Aqua BioFilter
Owner: Thomas L Duncan
Class: 40, 44
Status: Registered: Registered/protected
2 TM: 1129053
Desc: Vegi BioFilter
Owner: Thomas L Duncan
Class: 11, 44
Status: Removed
Not renewed: Renewal fee not paid