Chen Rufang

AR Assa Abloy Americas Residential: 1 patents #45 of 62Top 75%

SB Spectrum Brands: 1 patents #172 of 293Top 60%

Overall (All Time): #1,768,739 of 4,157,543Top 45%

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Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12024921	Tool-less rekeyable lock cylinder	—	2024-07-02
11319726	Tool-less rekeyable lock cylinder	—	2022-05-03