MANNING, HAROLD J.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5897700 Apparatus and integrated process for reclaiming paper mill sludge and producing useful products therefromExpiredApr 08, 97Apr 27, 99[C04B]
5510310 Floor dry material and method of manufactureExpiredOct 26, 93Apr 23, 96[B01J]
5505774 Continuous flow process for treating waste cellulosic fiber and paper mill sludgeExpiredNov 10, 94Apr 09, 96[C04B]
5372314 Method of manufacturing waste absorbent materialExpiredOct 04, 93Dec 13, 94[B02C]

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