Vaudemange
France
2
2009-10-01
Serge Baumert from Vaudemange, FR has applied for patents for these inventions. The list has both pending applications and granted patents:
WELDING OF AN ELEMENT OF A TRACK UNIT AND A RAIL SECTION WITHOUT ADDING ANY MATERIAL
Welding of an element of a track unit and a rail section without adding any material
4032976 ⎘