Harthausen
Germany
3
2018-10-25
The entities that hold a legal rights for patent applications filed by inventor Ackermann Steffen:
Steffen Ackermann from Harthausen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Air filter with minimal pressure loss
#2 | 2018-06-07Cartridge for a Breathing Mask, and a Breathing Mask
#3 | 2017-01-19Modular filter system, housing frame part of a modular filter system, filter module and housing module
1772184 ⎘