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Peter Lorenz Hamacher
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Aachen, DE
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last 30 patents
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Patent Grant
Process and device for producing thin metal bars
Patent number
6,153,028
Issue date
Nov 28, 2000
Mannesmann AG
Fritz-Peter Pleschiutschnigg
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Floor lead-through element for an inversion casting vessel
Patent number
5,992,501
Issue date
Nov 30, 1999
Mannesmann Aktiengesellschaft
Tarek El Gammal
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Device for making semi-finished products
Patent number
5,881,441
Issue date
Mar 16, 1999
Mannesmann Aktiengesellschaft
Fritz P. Pleschiutschnigg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Process for making semi-finished products
Patent number
5,722,151
Issue date
Mar 3, 1998
Mannesmann Aktiengesellschaft
Fritz P. Pleschiutschnigg
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...