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TG Telenorma Telefonbau Und Normalzeit Gmbh: 1 patents #5 of 21Top 25%
Overall (All Time): #3,964,379 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4790007 Telephone instrument Ludwig Richter, Karl-Heinz Niederhofer, Dieter Kramer, Gerhard Sussner, Wolfgang Girscher +3 more 1988-12-06