Advanced Vision Technologies, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6254805 Oxide based phosphors and processes thereforExpiredJul 27, 99Jul 03, 01[C09K]
6241911 Oxide based phosphors and processes thereforExpiredJul 27, 99Jun 05, 01[C09K]
6169357 Electron field-emission display cell device having opening depth defined by etch stopExpiredJul 28, 97Jan 02, 01[H01J]
6071633 Oxide based phosphors and processes thereforExpiredJul 28, 97Jun 06, 00[C09K, B32B]
6037708 Field emission display cell structureExpiredMar 05, 99Mar 14, 00[H01J]
6017257 Fabrication process for self-gettering electron field emitterExpiredDec 15, 97Jan 25, 00[H01J]
6015324 Fabrication process for surface electron display device with electron sinkExpiredNov 05, 97Jan 18, 00[H01J]
6015326 Fabrication process for electron field-emission displayExpiredJul 28, 97Jan 18, 00[H01J]
6004830 Fabrication process for confined electron field emission deviceExpiredMar 25, 99Dec 21, 99[H01L]
6005335 Self-gettering electron field emitterExpiredDec 15, 97Dec 21, 99[H01J]
5965192 Processes for oxide based phosphorsExpiredJul 28, 97Oct 12, 99[B05D]
5920148 Field emission display cell structureExpiredMar 19, 97Jul 06, 99[H01J]
5872421 Surface electron display device with electron sinkExpiredNov 05, 97Feb 16, 99[H01J]
5850123 Dual carrier display deviceExpiredJul 24, 97Dec 15, 98[H01J]
5831384 Dual carrier display deviceExpiredOct 30, 95Nov 03, 98[H01J]
5811929 Lateral-emitter field-emission device with simplified anodeExpiredJun 02, 95Sep 22, 98[H01J]
5703380 Laminar composite lateral field-emission cathodeExpiredJun 13, 95Dec 30, 97[H01J, H01L]
5700176 Method of gettering and sealing an evacuated chamber of a substrateExpiredOct 22, 96Dec 23, 97[H01J]
5669802 Fabrication process for dual carrier display deviceExpiredOct 30, 95Sep 23, 97[H01J]
5666019 High-frequency field-emission deviceExpiredSep 06, 95Sep 09, 97[H01J]

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