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Donald P. Grasso
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Wilmette, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
High speed door assembly
Patent number
8,316,915
Issue date
Nov 27, 2012
Rytec Corporation
Brian Norbert Drifka
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Sensor and imaging system
Patent number
7,522,745
Issue date
Apr 21, 2009
Donald P. Grasso
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
High Speed Door Assembly
Publication number
20130152471
Publication date
Jun 20, 2013
Brian Norbert Drifka
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
High Speed Door Assembly
Publication number
20110005138
Publication date
Jan 13, 2011
Rytec Corporation
Brian Norbert Drifka
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Sensor and imaging system
Publication number
20050074140
Publication date
Apr 7, 2005
Donald P. Grasso
G06 - COMPUTING CALCULATING COUNTING