Eschweiler
Germany
3
2011-05-19
The entities that hold a legal rights for patent applications filed by inventor Schwall Heinz:
Heinz Schwall from Eschweiler, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Retort furnace for heat treating metal workpieces
#2 | 2011-05-19Retort Furnace for Heat Treating Metal Workpieces
#3 | 2011-05-19Retort Furnace for Heat Treating Metal Workpieces
3384009 ⎘