GEM, INCORPORATED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5415847 Treatment of pit waste containing chromated copper arsenateExpiredJun 22, 93May 16, 95[C01G]
4919819 Method for removing and decomposing hydrocarbon compounds from water contaminated therewithExpiredFeb 06, 89Apr 24, 90[C02F, B01D]
4830142 Portable fence stileExpiredOct 24, 88May 16, 89[E06C]
4612851 Cooking utensilExpiredJun 07, 85Sep 23, 86[A47J]
D274856 Wax applicator mop headExpiredApr 12, 82Jul 24, 84[]
D274565 Squeeze mopExpiredMay 21, 82Jul 03, 84[]
4377879 Cleaning deviceExpiredDec 22, 81Mar 29, 83[A47L]

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