HT

Hans-Joachim Topfer

AK Alfred Kärcher Gmbh & Co. Kg: 1 patents #95 of 242Top 40%
📍 Backnang, DE: #170 of 341 inventorsTop 50%
Overall (All Time): #3,679,275 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5731065 Multilayered, textile, gas-permeable filter material against toxic chemical substances Helmut Stelzmuller, Gerhard Stabler, Thomas Stoll 1998-03-24