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Otto Alfred Becker
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66 Saarbrucken 6, DT
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Patents Grants
last 30 patents
Information
Patent Grant
Construction unit
Patent number
4,071,992
Issue date
Feb 7, 1978
Otto A. Becker
E04 - BUILDING
Information
Patent Grant
Load bearing construction unit
Patent number
4,055,920
Issue date
Nov 1, 1977
Otto Alfred Becker
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resistance welding of sheet metal covered with non-metallic layers
Patent number
3,989,919
Issue date
Nov 2, 1976
SAID Otto Alfred Becker; by said Johann Karl Wefers
Johann Karl Wefers
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Protection from corrosion of resistance-welded sheet metal covered...
Patent number
3,947,614
Issue date
Mar 30, 1976
Otto Alfred Becker
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR