JF

Jose D. A. E. Da Franca

BP British Telecommunications Plc: 1 patents #168 of 616Top 30%
📍 Lisbon, PT: #163 of 452 inventorsTop 40%
Overall (All Time): #3,874,455 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5008674 Digital-to-analog converter using switched capacitor and transverse filter Joao P. C. C. Vital, Carlos M. D. A. D. A. Leme 1991-04-16