发明名称 Ballot form and method for making and using same
摘要 The present invention is an improved scannable answer sheet or document suitable for a balloting process and a method for producing such document using a printing process, particularly a document that may be printed in a single color without impacting the ability of the document to be scanned by an automated mechanism.
申请公布号 US2003136836(A1) 申请公布日期 2003.07.24
申请号 US20030348804 申请日期 2003.01.22
申请人 DEBIASE SALVATORE E. 发明人 DEBIASE SALVATORE E.
分类号 B42D15/00;G07C13/00;(IPC1-7):G06F17/60 主分类号 B42D15/00
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