2 trademarks were found for owners matching the name Clive Sinclair.
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1 TM: 1158396
Desc: SECURE SHIELD
Owner: Clive Sinclair, Antony Upfield
Class: 6
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 1106869
Desc: SECURE VISION
Owner: Susan Lee Sinclair, Clive James Sinclair
Class: 6
Status: Removed
Not renewed: Renewal fee not paid