2 trademarks were found for owners matching the name Howard Blackburn.
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1 TM: 2180377
Desc: P PATHRIVE DISCOVER YOUR PATHWAY TO THRIVE
Owner: Howard Blackburn
Class: 41, 45
Status: Registered: Registered/protected
2 TM: 2272249
Desc: Unglorify Busy
Owner: Howard James Blackburn
Class: 41, 45
Status: Registered: Registered/protected