John A. DUVAL

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Long Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for controlling access
- Patent number 10,280,650
- Issue date May 7, 2019
- Cubex LLC
- John A. Duval
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR CONTROLLING ACCESS
- Publication number 20170016254
- Publication date Jan 19, 2017
- Cubex LLC
- John A. DUVAL
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES