Electronically-controlled automatic light-shading device | Patent Number 11815777

US 11815777 B2
Application Number17862518
Publication NumberUS 20230029411 A1
Pendency1 year, 4 months, 5 days
Filled DateJul 12, 2022
Priority DateJul 12, 2022
Publication DateJan 26, 2023
Expiration DateJul 11, 2042
Inventor/ApplicantsZhong-Yi Chen
Zhong-Yi CHEN
ExaminesLAU, EDMOND C
Art Unit2871
Technology Center2800
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