Energy efficient soundproofing window retrofits | Patent Number 11749247
US 11749247 B2Filled DateOct 21, 2021
Priority DateApr 25, 2018
Publication DateJul 14, 2022
Expiration DateApr 24, 2038
Inventor/ApplicantsXuanhe Zhao
Elise M. Strobach
Lee A. Weinstein
Sungwoo Yang
Bikramjit S. Bhatia
Lin Zhao
Gang Chen
Thomas A. Cooper
Evelyn N. Wang
Shaoting Lin
Elise M. Strobach
Lee A. Weinstein
Sungwoo Yang
Bikramjit S. Bhatia
Lin Zhao
Gang Chen
Thomas A. Cooper
Evelyn N. Wang
Shaoting Lin
ExaminesMULVANEY, ELIZABETH EVANS
Art Unit1785
Technology Center1700
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