Daniel Yue Man Chu

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Hercules, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Door-unlatching device
- Patent number 11,828,084
- Issue date Nov 28, 2023
- Daniel Y. Chu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DOOR-UNLATCHING DEVICE
- Publication number 20210310272
- Publication date Oct 7, 2021
- Daniel Yue Man Chu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES