Friedrich Ziegler

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Wolfratshausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Halogen incandescent-type reflector lamp, particularly for display...
- Patent number 4,623,815
- Issue date Nov 18, 1986
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Rudolf Krieg
- F21 - LIGHTING
Information Patent Grant
Halogen incandescent lamp-and-reflector unit
- Patent number 4,564,783
- Issue date Jan 14, 1986
- Patent-Treuhand Gesellschaft fur elektrische Gluhlampen GmbH
- Rudolf Krieg
- F21 - LIGHTING