HK

Heinrich Keil

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #4,040,973 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4471494 Optical transmission system for high frequency digital signals Herwig Trimmel 1984-09-11