2 trademarks were found for owners matching the name Walter Schellenberg.
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1 TM: 610337
Desc: DOG TIDY
Owner: Walter Schellenberg
Class: 6
Status: Lapsed: Registration fee not paid on time
2 TM: 906163
Desc: BOOSTECH
Owner: Adrian Walter Schellenberg
Class: 12
Status: Lapsed: Not accepted