2 trademarks were found for owners matching the name John Blankenstein.
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1 TM: 2035389
Desc: The boxer
Owner: John Blankenstein
Class: 29, 31
Status: Registered: Registered/protected
2 TM: 1053257
Desc: Environmental Plumbing Solutions
Owner: John Anthony Blankenstein, , , Environmental Plumbing Solutions Pty Ltd
Class: 37
Status: Lapsed: Not accepted