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Vehicle oil filter drain boot
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Patent number 5,694,990
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Issue date Dec 9, 1997
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Michel G. Crima
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Waste petroleum filter recycling process
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Patent number 5,401,293
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Issue date Mar 28, 1995
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Canadian Oil Filter Recovery Corp.
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Kenneth G. Gardner
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B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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Oil filter shear and crusher
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Patent number 5,274,906
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Issue date Jan 4, 1994
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T.W.L. Industries Incorporated
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Andre J. ter Haar
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Oil filter disassembly method
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Patent number 5,245,739
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Issue date Sep 21, 1993
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Gilbert B. Ross
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Oil filter recycler apparatus
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Patent number 5,205,195
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Issue date Apr 27, 1993
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Frank Mayer & Associates
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John Crosslen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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