Locating Electronic Labels in an Electronic Price Display System, U.S.
Patent 5,374,815 by G. Leibman, J. Stevens and P. Waterhouse
On-Line Handwriting Recognition using a Prototype Confusability
U.S. Patent 5,315,667, May 1994, by Tetsunosuke Fujisaki, Joonki Kim,
G. Leibman and C. C. Tappert
and Apparatus for improving
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1994 by C. C. Tappert, J. Kim and G. Leibman