Alfredo Lietz

Follow

Person

Frechen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a contact arrangement for a vacuum switchi...
- Patent number 6,574,864
- Issue date Jun 10, 2003
- Moeller GmbH
- Johannes Meissner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a contact material for contact pieces for vacu...
- Patent number 6,524,525
- Issue date Feb 25, 2003
- Metalor Technologies International SA
- Franz Hauner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for producing a contact material for contact pieces for vacu...
- Publication number 20010036418
- Publication date Nov 1, 2001
- Franz Hauner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...