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Inventor
LEUNG PATRICK C
CA
3 patents
Patents
3 patents
US4457015A
Jun 26, 1984
Matrix character preprocessing system
NCR CO
39 citations
89
US4490850A
Dec 25, 1984
Matrix character recognition
NCR CO
16 citations
70
US4490853A
Dec 25, 1984
Matrix character reading system
NCR CO
8 citations
70