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AO Ahead Optoelectronics: 1 patents #4 of 18Top 25%
Overall (All Time): #3,545,421 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6392768 Dot matrix hologram with a hidden image Sheng-Lie Yeh, Hsiu-Hung Lin 2002-05-21