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Cyril T. Ricke Sr.
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Itasca, IL, US
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last 30 patents
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Patent Grant
Shutter and awning device
Patent number
4,294,302
Issue date
Oct 13, 1981
Security Shutter Corp.
Cyril T. Ricke
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS