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Michael Sill
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Leinfelden-Echterdingen, DE
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last 30 patents
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Patent Grant
Vent and tilt roof window providing an exit
Patent number
5,581,941
Issue date
Dec 10, 1996
Roto Frank AG
Michael Sill
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Method for the installation of a sash in the frame of a roof window
Patent number
5,581,942
Issue date
Dec 10, 1996
Roto Frank AG
Michael Sill
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES