Assignee
AMGRAF INC
US·1 granted patent·1 pending application·31 citations·filing 2002–2007
Top patents by PatentIndex Score
2 records- 0174US7196822B2Security document manufacturing method and apparatus using halftone dots that contain microscopic imagesAMGRAF INC·Filed 2002·Granted Mar 27, 2007·31 cites·19 claims
- 0240US2007133059A1Security document manufacturing method and apparatus using halftone dots that contain microscopic imagesAMGRAF INC·Filed 2007·Application pending·0 cites
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