Hans Heutschi

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Kappel near Olten, CH

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Patents Grantslast 30 patents

Information Patent Grant
Electrical switch
- Patent number 3,992,600
- Issue date Nov 16, 1976
- Sprecher & Schuh AG
- Hans Heutschi
- 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