Jean-Paul PIETRZAK

Follow

Person

Blenod Les Pont a Mousson, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Device for closing an opening, particularly a street manhole
- Patent number 7,942,289
- Issue date May 17, 2011
- Saint-Gobain Pam
- Jean-Claude Hauer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Device for closing an opening, particularly a man hole
- Patent number 7,448,512
- Issue date Nov 11, 2008
- Saint-Gobain Pam
- Jean-Claude Hauer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Highway device and covering element for such a device
- Patent number 6,676,332
- Issue date Jan 13, 2004
- Saint-Gobain Pam
- Jean-Claude Hauer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR CLOSING AN OPENING, PARTICULARLY A STREET MANHOLE
- Publication number 20090080972
- Publication date Mar 26, 2009
- Saint Gobain PAM
- Jean-Claude HAUER
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Device for closing an opening, particularly a man hole
- Publication number 20050175409
- Publication date Aug 11, 2005
- Jean-Claude Hauer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES