PRINGY
France
3
2008-04-10
The entities that hold a legal rights for patent applications filed by inventor BONVALOT MICHAEL:
MICHAEL BONVALOT from PRINGY, FR has applied for patents for these inventions. The list has both pending applications and granted patents:
Oil bypass device, and engine fitted with such a device
#2 | 2006-11-02Controlled leakage valve for piston cooling nozzle
#3 | 2005-04-21Engine piston cooling system
4152220 ⎘