IP Library › Granted Patent US 1,020,681
Granted Patent S1
US 1,020,681 · App. 35/516,052 · Granted Apr 2, 2024

Headphone amplifier

Inventors: Paul Weinreich (Vienna, AT); Philipp Schuster (Vienna, AT); Alexander Chatt (Gramatneusiedl, AT)
Assignee: AUSTRIAN AUDIO GMBH
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Quick Facts
Patent No.
US 1,020,681
App. No.
35/516,052
Granted
Apr 2, 2024
Kind
S1
Claims (1)

The ornamental design for a headphone amplifier, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2023
From: WEINREICH, PAUL; SCHUSTER, PHILIPP; CHATT, ALEXANDER
To: AUSTRIAN AUDIO GMBH
Reel/Frame 062874/0263 →