Cheung Yi Lam

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Naugatuck, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Lock with linearly operating latch
- Patent number 10,450,779
- Issue date Oct 22, 2019
- ZEPHYR LOCK, LLC
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock with linearly operating latch
- Patent number 10,267,064
- Issue date Apr 23, 2019
- ZEPHYR LOCK, LLC
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock with linearly operating latch
- Patent number 9,863,166
- Issue date Jan 9, 2018
- ZEPHYR LOCK, LLC
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock with linearly operating latch
- Patent number 9,689,178
- Issue date Jun 27, 2017
- ZEPHYR LOCK, LLC
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock with linearly operating latch
- Patent number 9,249,603
- Issue date Feb 2, 2016
- ZEPHYR LOCK, LLC
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
LOCK WITH LINEARLY OPERATING LATCH
- Publication number 20170022738
- Publication date Jan 26, 2017
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LOCK WITH LINEARLY OPERATING LATCH
- Publication number 20130239629
- Publication date Sep 19, 2013
- Wai-Ho Choy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES