KANG-SHUO YEH

Follow

Person

Keelung City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-purpose ladder with improved rungs
- Patent number 9,670,726
- Issue date Jun 6, 2017
- Kang-Shuo Yeh
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
LADDER HINGE WITH DUAL LOCK-PINS
- Publication number 20190383099
- Publication date Dec 19, 2019
- KANG-SHUO YEH
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
MULT-PURPOSE LADDER WITH IMPROVED RUNGS
- Publication number 20160222730
- Publication date Aug 4, 2016
- KANG-SHUO YEH
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
MULTI-PURPOSE LADDER WITH THREE-PIPE RUNGS
- Publication number 20150197986
- Publication date Jul 16, 2015
- KANG-SHUO YEH
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS