YM

Yu Min

Overall (2011): #31,084 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7975823 Clutch and reverse-locking device — 2011-07-12
D640525 Door lock and handle — 2011-06-28
7878086 Drive mechanism for a lock — 2011-02-01