Twist drill | Patent Number 11007583
US 11007583 B2Filled DateNov 28, 2019
Priority DateFeb 14, 2016
Publication DateMar 26, 2020
Expiration DateFeb 13, 2036
Inventor/ApplicantsHongjia WANG
Hongjia Wang
Hongjia Wang
ExaminesRAMOS, NICOLE N
Art Unit3722
Technology Center3700
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