Alfred Braun

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Herbrechtingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electric lamp and optically alignable cementless base combination
- Patent number 5,339,002
- Issue date Aug 16, 1994
- Patent-Treuhand-Gesellschaft F. Electrische Gluehlampen mbH
- Alfred Braun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration, shock and heat-resistant lamp-base combination structure
- Patent number 5,153,480
- Issue date Oct 6, 1992
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Walter Schoenherr
- F21 - LIGHTING
Information Patent Grant
Cementless lamp bulb and base combination
- Patent number 4,950,942
- Issue date Aug 21, 1990
- Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen
- Alfred Braun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lamp with cement-free base structure
- Patent number 4,751,421
- Issue date Jun 14, 1988
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Alfred Braun
- H01 - BASIC ELECTRIC ELEMENTS