Franz Prammer

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Linz, OE

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Patents Grantslast 30 patents

Information Patent Grant
Device for the recovery of noble metals
- Patent number 4,022,581
- Issue date May 10, 1977
- Chemie Linz Aktiengesellschaft
- Hermann Rudorfer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of noble metals
- Patent number 3,954,449
- Issue date May 4, 1976
- Chemie Linz Aktiengesellschaft
- Hermann Rudorfer
- C01 - INORGANIC CHEMISTRY