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Ruth Langer
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7129 Guglingen Baden-Wurttemberg, DE
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last 30 patents
Information
Patent Grant
Connecting head for scaffold system
Patent number
5,127,757
Issue date
Jul 7, 1992
Ruth Langer
E04 - BUILDING
Information
Patent Grant
Connecting arrangement for horizontal scaffolding supports
Patent number
4,958,702
Issue date
Sep 25, 1990
Ruth Langer
E04 - BUILDING
Information
Patent Grant
Scaffold platform section
Patent number
4,919,230
Issue date
Apr 24, 1990
Ruth Langer
E04 - BUILDING
Information
Patent Grant
Scaffold system
Patent number
4,867,274
Issue date
Sep 19, 1989
Ruth Langer
E04 - BUILDING
Information
Patent Grant
Safety device for scaffoldings
Patent number
4,372,424
Issue date
Feb 8, 1983
Ruth Langer
E04 - BUILDING