Microzone Corporation

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6620041 Multi-purpose clean air fan and fan motor mount assemblyExpiredSep 25, 01Sep 16, 03[B01L, F04D, B01D]
6315525 Multi-purpose clean air fan and fan motor mount assemblyExpiredDec 03, 98Nov 13, 01[F04D, B01D]
5496389 Clean air fan filter moduleExpiredJun 09, 94Mar 05, 96[B01D]

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