Inventor
MICHAUD ANDRE
FR4 patents
Patents
4 patentsUS4197563AApr 8, 1980
Method and device for orientating and fixing in a determined direction magnetic particles contained in a polymerizable ink
TRANSAC DEV TRANSACT AUTOMAT85 citations92
US4158862AJun 19, 1979
Selective fixation method for producing permanent magnetic recordings
TRANSAC DEV TRANSACT AUTOMAT18 citations71
US4180837ADec 25, 1979
Magnetic coding method
TRANSAC DEV TRANSACT AUTOMAT11 citations70
US4037703AJul 26, 1977
Blocking device for card or voucher readers designed for public use
TRANSAC DEV TRANSACT AUTOMAT13 citations68