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Patents Grants
last 30 patents
Information
Patent Grant
Reinforcement body for a floor slab
Patent number
5,398,470
Issue date
Mar 21, 1995
AVI Alpenlandische Veredelungs-Industrie Gesellschaft m.b.H.
Klaus Ritter
E04 - BUILDING
Information
Patent Grant
Lining-frame of latticework construction for galleries, tunnels or...
Patent number
4,597,239
Issue date
Jul 1, 1986
AVI Alpenlandische Veredelungs-Industrie Gesellschaft m.b.H.
Klaus Matz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reinforcement mat for reinforced concrete
Patent number
4,539,787
Issue date
Sep 10, 1985
AVI Alpenlandische Veredelungs-Industrie Gesellschaft m.b.H.
Gerhard Ritter
E04 - BUILDING
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last 30 patents
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