Inventor
CHEN SEAKEE
CN3 patents
Patents
3 patentsUS7832048B2Nov 16, 2010
Methods to prevent wheel slip in an autonomous floor cleaner
JOHNSON & SON INC S C136 citations97
US7389166B2Jun 17, 2008
Methods to prevent wheel slip in an autonomous floor cleaner
JOHNSON & SON INC S C158 citations97
US7578020B2Aug 25, 2009
Surface treating device with top load cartridge-based cleaning system
JOHNSON & SON INC S C158 citations95