Drew Sying Liu

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Racine, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Wall-mounted electrical-connector-engaging assembly with quick inst...
- Patent number 11,705,680
- Issue date Jul 18, 2023
- Drew Syingshun Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heavy-duty straight-blade electrical connector with engagement-faci...
- Patent number 9,136,640
- Issue date Sep 15, 2015
- Drew Sying Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Wall-Mounted Electrical-Connector-Engaging Assembly with Quick Inst...
- Publication number 20210376538
- Publication date Dec 2, 2021
- Drew Syingshun Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Heavy-Duty Straight-Blade Electrical Connector with Engagement-Faci...
- Publication number 20140099813
- Publication date Apr 10, 2014
- Drew Sying Liu
- H01 - BASIC ELECTRIC ELEMENTS