Friedhelm John

Follow

Person

Muhlheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Sealed joint assembly
- Patent number 7,677,981
- Issue date Mar 16, 2010
- GKN Driveline Deutschland GmbH
- Michael Zierz
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Sealed Joint Assembly
- Publication number 20070191121
- Publication date Aug 16, 2007
- Michael Zierz
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...