ADVANTAGE TECHNOLOGY, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4780383 Optical storage system having expanded capacityExpiredFeb 27, 85Oct 25, 88[C09K, G02F]
4637896 Polymeric liquid crystalsExpiredOct 12, 84Jan 20, 87[C09K, G01K, C08F]
4614619 Liquid crystalline materials useful to prepare polymeric filmsExpiredMay 29, 85Sep 30, 86[C09K]

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