Xiaochun MIAO

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Patents Grantslast 30 patents

Information Patent Grant
Thick plate type joint lock for ladder connection
- Patent number 10,487,580
- Issue date Nov 26, 2019
- SUZHOU DONGRUN LADDER CO., LTD.
- Xiaochun Miao
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
THICK PLATE TYPE JOINT LOCK FOR LADDER CONNECTION
- Publication number 20170204663
- Publication date Jul 20, 2017
- SUZHOU DONGRUN LADDER CO., LTD.
- Xiaochun MIAO
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
THICK PLATE TYPE JOINT LOCK FOR LADDER CONNECTION
- Publication number 20150315844
- Publication date Nov 5, 2015
- Suzhou Dongrun Ladder Co., Ltd. a company
- Xiaochun MIAO
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES