YL

Yun Boon Lee

Overall (All Time): #1,590,518 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6983760 Vaned spool type directional control valve and four-way reversible valve for cooling cycle system using the same 2006-01-10
6966340 Slide spool valve 2005-11-22
6830073 Four-way reversing valve 2004-12-14