Pierre Vigneron

Follow

Person

Pont-A-Mousson, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Manhole cover sealing and locking arrangement
- Patent number 4,763,449
- Issue date Aug 16, 1988
- Pont-A-Mousson S.A.
- Pierre Vigneron
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING