Inventor

CHEN SHANGDA

CN2 patents

⚠️ This page may combine multiple inventors who share the name “CHEN SHANGDA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

1 patent

US5867866AFeb 9, 1999

Door hinge with a built-in damper

25 citations87

CHEN ZHENG

1 patent

US9957743B2May 1, 2018

Slow closing door hinge

CHEN ZHENG3 citations68