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Dieter Scharwachter
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Octrup, DE
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last 30 patents
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Patent Grant
Method for manufacturing a corrugated pipe, and a corrugated pipe m...
Patent number
5,975,143
Issue date
Nov 2, 1999
Uponor B.V.
Jyri Jarvenkyla
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Method and apparatus for forming ribs with sideward projections in...
Patent number
5,589,127
Issue date
Dec 31, 1996
Uponor Innovation AB
Jyri Jarvenkyla
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL