EP

Edmund Ptacnik

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
📍 Reken, DE: #20 of 46 inventorsTop 45%
Overall (All Time): #4,115,479 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4211899 Circuit arrangement for an indirectly controlled exchange, in particular a telephone exchange Carl Trainer 1980-07-08