WS

Walther Scharm

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #3,929,206 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4835516 Arrangement for introducing audio-frequency signals into a power supply line Karlheinz Kutschera, Rudolf Seibert, Manfred Schwendtner 1989-05-30