Inventor
O'BRIEN LAWRENCE EDWARD
US3 patents
Patents
3 patentsUS8511522B2Aug 20, 2013
Valve and dispenser comprising same
CHAN JOHN GEOFFREY50 citations91
US8454882B2Jun 4, 2013
Material dispensing system and method for making same
CHAN JOHN GEOFFREY26 citations89
US8631970B2Jan 21, 2014
Multi-chamber material dispensing system and method for making same
CHAN JOHN GEOFFREY9 citations81