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Patents
Patents Assigned to PER GISLE JOHNSEN
Patents Assigned to PER GISLE JOHNSEN
Display screen with a graphical user interface for controlling sound
Patent number:
D859439
Type:
Grant
Filed:
August 18, 2017
Date of Patent:
September 10, 2019
Assignee:
PER GISLE JOHNSEN
Inventors:
Per Gisle Johnsen, Yrjan Tangenes