Semix Incorporated

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0164,849 Wafer processing apparatus and methodAbandonedJun 21, 02Nov 07, 02[H01L]
6455098 Wafer processing apparatus and methodExpiredMar 08, 01Sep 24, 02[B05D]
5939822 Support structure for flat panel displaysExpiredAug 18, 97Aug 17, 99[H01J]
5655886 Vacuum maintenance device for high vacuum chambersExpiredJun 06, 95Aug 12, 97[I04B]
4431599 Method for the melting and solidification of siliconExpiredDec 24, 81Feb 14, 84[C04B]
4330582 Semicrystalline silicon productsExpiredMar 19, 80May 18, 82[C01B]
4298423 Method of purifying siliconExpiredJan 15, 80Nov 03, 81[C01B]
4256681 Method of producing semicrystalline siliconExpiredNov 13, 78Mar 17, 81[C04B]

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