P
PatentIndex
Search
Landscape
Sign in
Inventor
QUAN QIAN WU
SG
2 patents
Patents
2 patents
US6528420B1
Mar 4, 2003
Double acting cold trap
CHARTERED SEMICONDUCTOR MFG
21 citations
89
US6814812B2
Nov 9, 2004
Double acting cold trap
CHARTERED SEMICONDUCTOR MFG
3 citations
59