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Magdy A. Rizk
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Brossard, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Dual level access door system for railway vehicles
Patent number
6,443,072
Issue date
Sep 3, 2002
Tekdata Inc.
Magdy A. Rizk
B61 - RAILWAYS
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Patent Grant
Dual level access door system for railway vehicles
Patent number
6,263,804
Issue date
Jul 24, 2001
Tekdata Inc.
Magdy A. Rizk
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
ACTIVE DOOR MONITORING SYSTEM
Publication number
20080198228
Publication date
Aug 21, 2008
MAGDY A. RIZK
B60 - VEHICLES IN GENERAL
Information
Patent Application
Dual level access door system for railway vehicles
Publication number
20010025585
Publication date
Oct 4, 2001
Magdy A. Rizk
B61 - RAILWAYS