Lennart Agren

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Bor.ang.s, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing ribbed pipe
- Patent number 5,139,730
- Issue date Aug 18, 1992
- Uponor N.V.
- Paul Holso
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method in manufacturing a heat insulated tube and a device in extru...
- Patent number 4,929,409
- Issue date May 29, 1990
- Oy Uponor AB
- Lennart Agren
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL