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DUCTUS INC

US3 patents

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US5438656AAug 1, 1995

Raster shape synthesis by direct multi-level filling

DUCTUS INC60 citations94

US5589851ADec 31, 1996

Multi-level to bi-level raster shape converter

DUCTUS INC27 citations90

US6025851AFeb 15, 2000

Envolvent approximation using accurate slope information

DUCTUS INC16 citations82