Sound amplifier
Description
The broken lines shown in the figures depict portions of the sound amplifier and form no part of the claimed design. The dot-dash lines depict a boundary of the claimed design and form no part of the claimed design.
Claims
The ornamental design for a sound amplifier, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D909983
Type: Grant
Filed: Oct 9, 2018
Date of Patent: Feb 9, 2021
Assignee: Sennheiser electronic GmbH & Co. KG (Wedemark)
Inventor: Ralf Kittmann (Zürich)
Primary Examiner: Bao-Yen T Nguyen
Application Number: 29/665,994
Type: Grant
Filed: Oct 9, 2018
Date of Patent: Feb 9, 2021
Assignee: Sennheiser electronic GmbH & Co. KG (Wedemark)
Inventor: Ralf Kittmann (Zürich)
Primary Examiner: Bao-Yen T Nguyen
Application Number: 29/665,994
Classifications
Current U.S. Class:
Radio Receiver, Tuner Or Amplifier, Or Housing Therefor (D14/188)