UB

Utz W. Barth

HA Hartmann & Braun Aktiengesellschaft: 1 patents #21 of 45Top 50%
Overall (All Time): #4,030,798 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4435849 Optical transmission system Herwig Ilgner 1984-03-06