2 trademarks were found for owners matching the name David Ronald Wren.
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1 TM: 528951
Desc: LEAK-LOKK
Owner: David Ronald Wren
Class: 6
Status: Lapsed: Not accepted
2 TM: 437696
Desc: SIMPLY MAZING
Owner: David Ronald Wren
Class: 28
Status: Removed
Not renewed: Renewal fee not paid