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US Patent D997862 Hearing aid charging unit

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Is a

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Chengxiang Zhang

Date of Patent

September 5, 2023

Patent Application Number

29776162

Date Filed

March 29, 2021

Patent Citations

US Patent D984374 Earphone charging case

US Patent D987564 Charging case and wireless earbuds assembly

US Patent D955982 Charging case for wireless earbuds

US Patent D961508 Earphone with charging case assembly

US Patent D962898 Combined earphones and charging case

US Patent D967804 Earphones with charging case

US Patent D978075 Charging case

US Patent D980799 Earphone charging case

...

Patent Primary Examiner

George D. Kirschbaum

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