William Ng

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Two-prong padlock
- Patent number 9,574,373
- Issue date Feb 21, 2017
- Vastmax Corporation Limited
- William Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
High security padlock
- Patent number 9,366,057
- Issue date Jun 14, 2016
- Vastmax Corporation Limited
- William Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
TWO-PRONG PADLOCK
- Publication number 20160186466
- Publication date Jun 30, 2016
- Vastmax Corporation Limited
- William Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
High Security Padlock
- Publication number 20160186467
- Publication date Jun 30, 2016
- Vastmax Corporation Limited
- William Ng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES