Priority to US10/359,377 priority Critical patent/US7021539B2/en Publication of US20040195322A1 publication Critical patent/US20040195322A1/en Application granted granted Critical Publication of US7021539B2 publication Critical patent/US7021539B2/en Adjusted expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Hurewitz Joel B. Priority date (The priority date is an assumption and is not a legal conclusion. ( en Inventor Joel Hurewitz Original Assignee Hurewitz Joel B. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US10/359,377 Other versions US7021539B2 Google Patents Ballot system and method adapted for optical scanningĭownload PDF Info Publication number US20040195322A1 US20040195322A1 US10/359,377 US35937703A US2004195322A1 US 20040195322 A1 US20040195322 A1 US 20040195322A1 US 35937703 A US35937703 A US 35937703A US 2004195322 A1 US2004195322 A1 US 2004195322A1 Authority US United States Prior art keywords marking ballot areas visible chemical Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20040195322A1 - Ballot system and method adapted for optical scanning
US20040195322A1 - Ballot system and method adapted for optical scanning
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