Klaus Kramer

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Dual-envelope high-pressure discharge lamp with thermostatically co...
- Patent number 5,079,479
- Issue date Jan 7, 1992
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Helmut Weske
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp with support structure for discharge v...
- Patent number 4,924,133
- Issue date May 8, 1990
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Joachim Dassler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure discharge lamp with improved arc tube retention struc...
- Patent number 4,837,477
- Issue date Jun 6, 1989
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Joachim Dassler
- H01 - BASIC ELECTRIC ELEMENTS