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Dieter Steppke
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Bochum, DE
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last 30 patents
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Patent Grant
Safety door assembly, in particular a sterile door
Patent number
6,195,941
Issue date
Mar 6, 2001
Solvay Pharmaceuticals GmbH
Kurt Burow
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Patent Grant
Door-like closure
Patent number
4,178,859
Issue date
Dec 18, 1979
Bochumer Eisenhutte Heintzmann GmbH & Co
Rudolf Seiz
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES