Kwok Lai Chong

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Hongkong, CN

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Patents Applicationslast 30 patents

Information Patent Application
Foldable and angularly adjustable ladder
- Publication number 20220010620
- Publication date Jan 13, 2022
- CHAFRONT LIMITED
- Kwok Lai CHONG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
BRIDGE PLANK APPLICABLE TO CONSTRUCTION SITES
- Publication number 20190063085
- Publication date Feb 28, 2019
- CANYON METAL SCAFFOLDING ENGINEERING LIMITED
- Kwok Lai Chong
- E04 - BUILDING