Wetter
Germany
3
2009-06-18
The entities that hold a legal rights for patent applications filed by inventor Westerhoff Karsten:
Karsten Westerhoff from Wetter, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Fixing means for fixing railway lines to sleepers or stretches of track
#2 | 2007-01-25Valve spring plate with radial supporting force reinforcement
#3 | 2007-01-11Valve spring plate with two supporting tongues
3967310 ⎘