P
PatentIndex
Search
Landscape
Sign in
Inventor
LAI KOK VUI
HK
2 patents
Patents
2 patents
US8075229B2
Dec 13, 2011
Multi-speed drill and chuck assembly
MOK KWOK TING
22 citations
86
US8057134B2
Nov 15, 2011
Chuck assembly
MOK KWOK TING
3 citations
56