![]() Original Assignee Troy Group Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor David Altfeder Jason Zimpelmann 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 EP13190169.6A Other languages German ( de) ![]() Google Patents Method of generating void pantographsÄownload PDF Info Publication number EP2783878A1 EP2783878A1 EP13190169.6A EP13190169A EP2783878A1 EP 2783878 A1 EP2783878 A1 EP 2783878A1 EP 13190169 A EP13190169 A EP 13190169A EP 2783878 A1 EP2783878 A1 EP 2783878A1 Authority EP European Patent Office Prior art keywords dot pantograph foreground pattern patterns Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() Google Patents EP2783878A1 - Method of generating void pantographs EP2783878A1 - Method of generating void pantographs
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