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David C. Black

SS Siemens Business Communication Systems: 1 patents #29 of 83Top 35%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,716,345 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5631955 Option bus Joel Adams, William Franklin Dunn, Jr., Norman Endick, James B. Koehler, Michael K. Kounnas +3 more 1997-05-20