JH

Johann Hirtl

HH Herberts Gesellschaft Mit Beschrankter Haftung: 2 patents #52 of 199Top 30%
📍 Wuppertal, DE: #678 of 1,656 inventorsTop 45%
Overall (All Time): #2,286,790 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5415750 Baths for electrophoretic lacquering capable of cathodic deposition with additives for enhancing surface appearance, and the use of said additives in coating processes Klausjoerg Klein, Heinz-Peter Katzmann 1995-05-16
5098537 Cathodically depositable electrodeposition coating baths comprising surface-improving additives, and use of the additives in coating processes Heinz-Peter Katzmann, Klausjorg Klein 1992-03-24