Rolf Rolff

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of measuring current density in electroplating baths
- Patent number 4,619,740
- Issue date Oct 28, 1986
- Schering Aktiengesellschaft
- Detlev Nitsche
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
System for equalizing current flow in a plurality of branch circuit...
- Patent number 4,461,690
- Issue date Jul 24, 1984
- Schering AG
- Rolf Rolff
- G05 - CONTROLLING REGULATING
Information Patent Grant
Catalytic lacquer for producing printing circuits
- Patent number 4,253,875
- Issue date Mar 3, 1981
- Schering Aktiengesellschaft
- Kurt Heymann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...