Ralph Jost

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Fullinsdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing a plastic pipe
- Patent number 5,306,458
- Issue date Apr 26, 1994
- Hobas Engineering AG
- Borge Carlstrom
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for forming a reinforcing band on a sectional sealing liner
- Patent number 4,642,156
- Issue date Feb 10, 1987
- Hobas Engineering & Durotec AG
- Ralph Jost
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL