US Patent 10139720 Projection system and projection screen supporting device
Is a
Date Filed
November 15, 2016
Date of Patent
November 27, 2018
Patent Applicant
Patent Application Number
15351825
Patent Inventor Names
Ting Yu
0
Wensheng Lu
0
Xianglai Pang
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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