Boris L. Birger

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Riga, LV

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Patents Grantslast 30 patents

Information Patent Grant
Process for coating the surface of elongated materials
- Patent number 5,702,528
- Issue date Dec 30, 1997
- Mannesmann Aktiengesellschaft
- Vladimir A. Paramonov
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and device for coating the surface of strip material
- Patent number 5,665,437
- Issue date Sep 9, 1997
- Mannesmann Aktiengesellschaft
- Klaus Frommann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for coating elongated materials with multiple layers
- Patent number 5,512,321
- Issue date Apr 30, 1996
- Mannesmann Aktiengesellschaft
- Vladimir A. Paramonov
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...