OC

Olivier F. Cahart

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,002,074 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4612413 Authentication system between a card reader and a pay card exchanging data Serge Robert, Pierre Le Marchant 1986-09-16