Cham
Switzerland
2
2006-11-02
Daniel Keiser from Cham, CH has applied for patents for these inventions. The list has both pending applications and granted patents:
Door drive with belt-like drive means and elevator installation with such a door drive
#2 | 2006-08-17Installation with belt-like drive means and method for transmission of electrical energy or signals in such an installation
4683148 ⎘