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Claims (1)
I claim the ornamental design for an amplifier, as shown and described.
Assignments (2)
CHANGE OF NAME
Recorded Sep 30, 2015
From: QSC AUDIO PRODUCTS, LLC
To: QSC, LLC
Reel/Frame 036722/0267 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Dec 27, 2012
From: TEULIE, DOUGLAS W.
To: QSC AUDIO PRODUCTS, LLC
Reel/Frame 029535/0309 →