Vienna
Austria
3
2020-06-25
The entities that hold a legal rights for patent applications filed by inventor Seifert Arne:
Arne Seifert from Vienna, AT has applied for patents for these inventions. The list has both pending applications and granted patents:
Utilization of pollutants from internal combustion engines
#2 | 2020-01-09Device for cleaning air laden with CO2
#3 | 2019-09-26Method and device for purifying exhaust gas
6502004 ⎘