AOTEC, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5373392 Photochromic light control mirrorExpiredJul 28, 93Dec 13, 94[G02F]
5272332 Laser discrimination deviceExpiredJan 15, 91Dec 21, 93[G02F]
5212585 Laser protective deviceExpiredApr 03, 90May 18, 93[G02F]
5198911 Holographic optical notch reflectorsExpiredDec 27, 90Mar 30, 93[G02B, G02F, G03H]
5137341 Prescription lens carrierExpiredDec 20, 91Aug 11, 92[G02C]
5116113 Laser eye protective devicesExpiredSep 10, 90May 26, 92[G02B, G02C]
4848893 Spectacle frame with lockable custom fitting nosepieceExpiredSep 24, 87Jul 18, 89[G02C]
4810080 Protective eyewear with removable nosepiece and corrective spectacleExpiredSep 03, 87Mar 07, 89[G02C]
4540543 Injection blow molding process and apparatusExpiredJun 11, 84Sep 10, 85[B29C]
4490495 Composition and method for tinting plasticExpiredNov 15, 82Dec 25, 84[B29D, C08L, C08K]
4455322 Method for coating itemsExpiredApr 22, 82Jun 19, 84[B05D, G02B]
4438159 Coating processExpiredMar 08, 82Mar 20, 84[B05D, G02B]
4280303 Plastic pellet cleaning apparatus and method for optical lense moldingExpiredMay 01, 80Jul 28, 81[B24B]
4191804 Coating compositionExpiredJun 30, 78Mar 04, 80[C08J, G02B, C08L, B32B]

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