Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Paul Lapstun Kia Silverbrook Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US10/291,827 Other versions US6947027B2 Google Patents Hand-drawing capture via interface surface having coded marksÄownload PDF Info Publication number US20030142072A1 US20030142072A1 US10/291,827 US29182702A US2003142072A1 US 20030142072 A1 US20030142072 A1 US 20030142072A1 US 29182702 A US29182702 A US 29182702A US 2003142072 A1 US2003142072 A1 US 2003142072A1 Authority US United States Prior art keywords data netpage page sensing device interface surface Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20030142072A1 - Hand-drawing capture via interface surface having coded marks US20030142072A1 - Hand-drawing capture via interface surface having coded marks
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