PASSAMAQUODDY TECHNOLOGY, LIMITED PARTNERSHIP, TRIBE D.B.A. DRAGON PRODUCTS COMPANY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5100633 Method for scrubbing pollutants from an exhaust gas streamExpiredOct 25, 90Mar 31, 92[B01D]
4915914 System for simultaneously scrubbing cement kiln exhaust gas and producing useful by-products therefromExpiredJun 19, 87Apr 10, 90[F23J, B01J]
RE33031 Method for simultaneously scrubbing cement kiln exhaust gas and producing useful by-products therefromExpiredMar 04, 88Aug 22, 89[C01B]
4716027 Method for simultaneously scrubbing cement kiln exhaust gas and producing useful by-products therefromExpiredSep 05, 86Dec 29, 87[C01B]
4708855 Method and system for exhaust gas stream scrubbingExpiredJul 25, 86Nov 24, 87[C01B, C04B, B01D]

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