Erich Wintermantel

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus of producing hollow profiles from multilayer s...
- Patent number 5,229,055
- Issue date Jul 20, 1993
- Wintermantel; Erich
- Erich Wintermantel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Profile elements, particularly for supply and/or removal of substan...
- Patent number 4,799,822
- Issue date Jan 24, 1989
- Wintermantel; Erich
- Erich Wintermantel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Core material for lightweight building constructions in a multi-lay...
- Publication number 20050262801
- Publication date Dec 1, 2005
- Erich Wintermantel
- Oswald Landwehr
- E04 - BUILDING