B44B 1/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9827618 Crayon carving deviceJan 14, 16Nov 28, 17CRAYOLA, LLC
6215095 Apparatus and method for controlling exposure of a solidifiable medium using a pulsed radiation source in building a three-dimensional object using stereolithographyMay 18, 99Apr 10, 013D SYSTEMS, INC.