Inventor

WANG YUNFU

CN4 patents

Patents

4 patents

US11096544B2Aug 24, 2021

Surface cleaning apparatus and tray

BISSELL INC11 citations84

US10973383B1Apr 13, 2021

Surface cleaning apparatus and tray

BISSELL INC11 citations83

US11147426B2Oct 19, 2021

Surface cleaning apparatus and tray

BISSELL INC7 citations82

US12213633B2Feb 4, 2025

Surface cleaning apparatus and tray

BISSELL INC0 citations61