2 trademarks were found for owners matching the name Leo G Spierenburg.
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1 TM: 1044328
Desc: MediSheet Twin
Owner: Leo G Spierenburg
Class: 16
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 1006204
Desc: ViewPack
Owner: Leo G Spierenburg
Class: 16
Status: Registered: Renewal due