2 trademarks were found for owners matching the name Philip Donnell Knowles.
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1 TM: 1091015
Desc: DUO
Owner: Philip Donnell Knowles, Damian Thomas Knowles
Class: 33
Status: Lapsed: Registration fee not paid on time
2 TM: 1090145
Desc: JUO
Owner: Philip Donnell Knowles, Damian Thomas Knowles
Class: 33
Status: Lapsed: Registration fee not paid on time