Electro-mechanical valve servo apparatus for tool-free retrofit installation | Patent Application Number 17184570
17184570
Not Appealed
Patent NumberUS 11821537 B2
Publication NumberUS 20210180714 A1
Filled DateFeb 24, 2021
Priority DateSep 20, 2019
Inventor/ApplicantsChun Kuen Sze
ExaminesVU, STEPHEN A
Art Unit3651
Technology Center3600
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