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Magdy A. Rizk
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Brossard, CA
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Patents Grants
last 30 patents
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Patent Grant
Lock and emergency release system for power operated doors
Patent number
6,550,831
Issue date
Apr 22, 2003
Tekdata Inc.
Magdy A. Rizk
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
Lock and emergency release system for power operated doors
Publication number
20020149210
Publication date
Oct 17, 2002
Magdy A. Rizk
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES