Horst Wittmann

Person

Stadtbergen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Compact low pressure discharge lamp having spring element to connec...
- Patent number 6,239,540
- Issue date May 29, 2001
- Patent-Treuhand-Gesselschaft fuer elektrische Gluehlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact low-pressure discharge lamp utilizing helical or spiral spr...
- Patent number 6,011,347
- Issue date Jan 4, 2000
- Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen GmbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact fluorescent lamp and base combination, and method of lamp-b...
- Patent number 5,289,079
- Issue date Feb 22, 1994
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mercury discharge lamp with mercury containing capsule
- Patent number 5,006,755
- Issue date Apr 9, 1991
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Socket for receiving the base of a single-based fluorescent lamp
- Patent number 4,738,630
- Issue date Apr 19, 1988
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single-ended fluorescent lamp-base combination
- Patent number 4,695,767
- Issue date Sep 22, 1987
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single-ended fluorescent discharge lamp construction
- Patent number 4,672,263
- Issue date Jun 9, 1987
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Helmut Grahmann
- H01 - BASIC ELECTRIC ELEMENTS

Horst Wittmann

Person

Patents Grantslast 30 patents

Compact low pressure discharge lamp having spring element to connec...

Compact low-pressure discharge lamp utilizing helical or spiral spr...

Compact fluorescent lamp and base combination, and method of lamp-b...

Mercury discharge lamp with mercury containing capsule

Socket for receiving the base of a single-based fluorescent lamp

Single-ended fluorescent lamp-base combination

Single-ended fluorescent discharge lamp construction