USB gain-adjustable microphone
Description
The broken lines depict portions of the USB gain adjustable microphone and forms no part of the claimed design.
Claims
The ornamental design for the USB gain-adjustable microphone, as shown and described.
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Patent History
Patent number: D985544
Type: Grant
Filed: Jul 8, 2019
Date of Patent: May 9, 2023
Inventor: Jun Lu (Guangdong)
Primary Examiner: Paula Allen Greene
Application Number: 29/697,339
Type: Grant
Filed: Jul 8, 2019
Date of Patent: May 9, 2023
Inventor: Jun Lu (Guangdong)
Primary Examiner: Paula Allen Greene
Application Number: 29/697,339
Classifications
Current U.S. Class:
Circular Or Oval In Cross-section (D14/228)