Walter Grabowski

Follow

Person

Olpe-Biggesee, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Installation system
- Patent number 5,430,251
- Issue date Jul 4, 1995
- Dorma GmbH + Co. KG
- Hasso Freundner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical energy distribution system
- Patent number 5,383,090
- Issue date Jan 17, 1995
- Dorma GmbH & Co. KG.
- Hasso Freundner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical installation system
- Patent number 5,326,933
- Issue date Jul 5, 1994
- Dorma GmbH + Co. KG
- Hasso Freundner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Connector for electrical components to be installed in flush recept...
- Patent number 4,181,395
- Issue date Jan 1, 1980
- Walter Grabowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER