HL

Herbert Landgraf

HH Heinrich-Hertz-Institut Fur Nachrichtentechnik Berlin Gesellschaft Mit Beschrankter Haftung: 1 patents #1 of 26Top 4%
📍 Darmstadt, DE: #1,043 of 1,865 inventorsTop 60%
Overall (All Time): #4,096,902 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4290142 Interactive cable television system Rolf Schnee, Franz Kraus, Friedrich Kiel, Helmut Kliem, Wolfgang Krick 1981-09-15