FH

Friedrich Hilliges

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
📍 Eichenau, DE: #58 of 101 inventorsTop 60%
Overall (All Time): #4,077,765 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4356352 Circuit arrangement for telephone exchange systems having time staggered charge metering pulse frequencies — 1982-10-26