Inventor

NG WING LEUNG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “NG WING LEUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOOVER CO

1 patent

US6832409B2Dec 21, 2004

Wet/dry floor cleaning unit and method of cleaning

HOOVER CO45 citations95

TECHTRONIC FLOOR CARE TECH LTD

1 patent

US8365347B2Feb 5, 2013

Wet/dry floor cleaning unit

TECHTRONIC FLOOR CARE TECH LTD11 citations83

HEALTHY GAIN INVEST LTD

1 patent

US7533442B2May 19, 2009

Wet/dry floor cleaning unit and method of cleaning

HEALTHY GAIN INVEST LTD11 citations82