Alfred Hirschvogel

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Langweid, DE

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Patents Grantslast 30 patents

Information Patent Grant
Packing yarn made of graphite foil and plastic foil and method of m...
- Patent number 6,270,083
- Issue date Aug 7, 2001
- SGL Technik GmbH
- Alfred Hirschvogel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flexible graphite sheet, material or layer containing metal molybdate
- Patent number 4,296,177
- Issue date Oct 20, 1981
- Sigri Elektrographit GmbH
- Ernst Freundlinger
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Flexible graphite sheet material treated with an alkali metal salt...
- Patent number 4,216,266
- Issue date Aug 5, 1980
- Sigri Elektrographit Gesellschaft mit Beschrankter Haftung
- Alfred Hirschvogel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES