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Richard Shen

Tainan, NJ: #1 of 1 inventorsTop 100%

Overall (1989): #7,694 of 140,708Top 6%

3 Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4840412	Easily adjustable latch	—	1989-06-20
4840413	Length-adjustable latch	—	1989-06-20
4838053	Heavy-duty panic proof lock unit	—	1989-06-13