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LZ
Larry Zhang
PM
Penn Engineering & Manufacturing
: 1 patents #20 of 46
Top 45%
Overall (All Time):
#2,594,775
of 4,157,543
Top 65%
1
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Patent #
Title
Co-Inventors
Date
11703076
Clinch fastener with a spiral shank
Qiang Sun
,
Dapeng Duan
2023-07-18
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