Ernst Lang

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Schlossrued, CH

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Patents Grantslast 30 patents

Information Patent Grant
Puffer interrupter with main and auxiliary pistons and common cylinder
- Patent number 4,103,131
- Issue date Jul 25, 1978
- Sprecher & Schuh Ltd. (SSA)
- Rudolf Graf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-blast switch
- Patent number 3,988,554
- Issue date Oct 26, 1976
- Sprecher & Schuh AG
- Rudolf Graf
- H01 - BASIC ELECTRIC ELEMENTS