Helmut Eberwein

Follow

Person

Brendlorenzen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Device for remote control of electrical power units
- Patent number 4,024,502
- Issue date May 17, 1977
- Preh Elektrofeinmechanische Werke, Jakob Preh Nachf.
- Helmut Eberwein
- G08 - SIGNALLING
Information Patent Grant
Keyboard switch assembly having multilayer printed circuit structure
- Patent number 3,996,430
- Issue date Dec 7, 1976
- Preh Elektrofeinmechanische Werke
- Helmut Eberwein
- H01 - BASIC ELECTRIC ELEMENTS