Alfred Hartig

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Scissor-type disconnect switch with contact elements having wear-re...
- Patent number 4,564,731
- Issue date Jan 14, 1986
- Ruhrtal Elektrizitatsgesellschaft Hartig GmbH & Co.
- Alfred Hartig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Disconnect switch
- Patent number 4,504,708
- Issue date Mar 12, 1985
- Ruhrtal Elektrizitatsgesellschaft Hartig GmbH & Co.
- Alfred Hartig
- H01 - BASIC ELECTRIC ELEMENTS