VS

Vladimir Spiro

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Eckental, DE: #77 of 135 inventorsTop 60%
Overall (All Time): #4,022,514 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4545049 Private branch exchange having transmission channels commonly available to all stations Walter Kammerer 1985-10-01