BR

Bernard G. Roche

📍 Lannion, FR: #201 of 705 inventorsTop 30%
Overall (All Time): #2,353,586 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4521883 Telephony apparatus having filter capacitor switched to undergo discrete phase jumps — 1985-06-04
4233475 Telephone station with automatic switch-over between pulse code dialling and multifrequency code dialling — 1980-11-11