Adolf Irmer

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Geeste, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for providing a plastic pipe part with a socke...
- Patent number 4,474,723
- Issue date Oct 2, 1984
- Wavin B.V.
- Adolf Irmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic socket pipe part and method of manufacturing same
- Patent number 4,369,159
- Issue date Jan 18, 1983
- Wavin B.V.
- Adolf Irmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic socket pipe part
- Patent number 4,193,426
- Issue date Mar 18, 1980
- Wavin B.V.
- Adolf Irmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL