2 trademarks were found for owners matching the name David Ian Dyson.
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1 TM: 648287
Desc: WORKPAK
Owner: David Ian Dyson
Class: 16
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 648288
Desc: STUDYPAK
Owner: David Ian Dyson
Class: 16
Status: Withdrawn: Applicant request