Inventor

LU YONGXUE

CN4 patents

Patents

4 patents

US10648234B2May 12, 2020

Step ladder

TRICAM INDUSTRIES INC26 citations92

USD840055SFeb 5, 2019

Step ladder

TRICAM INDUSTRIES INC31 citations92

US9869125B2Jan 16, 2018

Latch for ladder or step stool

TRICAM INDUSTRIES INC11 citations82

US11220862B2Jan 11, 2022

Step ladder

TRICAM INDUSTRIES INC3 citations71