Hearing aid
Description
Claims
The ornamental design for a hearing aid, as shown and described.
Referenced Cited
Patent History
Patent number: D845487
Type: Grant
Filed: Feb 5, 2018
Date of Patent: Apr 9, 2019
Inventor: Weifeng Zheng (Shenzhen)
Primary Examiner: Anhdao Doan
Application Number: 29/635,895
Type: Grant
Filed: Feb 5, 2018
Date of Patent: Apr 9, 2019
Inventor: Weifeng Zheng (Shenzhen)
Primary Examiner: Anhdao Doan
Application Number: 29/635,895
Classifications