BH

Birger Hatty

TG Telenorma Telefonbau Und Normalzeit Gmbh: 1 patents #5 of 21Top 25%
📍 Darmstadt, DE: #1,043 of 1,865 inventorsTop 60%
Overall (All Time): #3,869,446 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4991167 Voice controlled attenuation adjustment in telephone transmission circuits Udo Petri, Eberhard Hansler 1991-02-05