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Method of lining an oil well pipe in situ
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Patent number 9,752,420
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Issue date Sep 5, 2017
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UltraTech International, Inc.
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Mark D. Shaw
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Curb inlet filter
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Patent number 7,563,364
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Issue date Jul 21, 2009
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Mark D. Shaw
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Curb guard filter
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Patent number 6,811,708
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Issue date Nov 2, 2004
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UltraTech International, Inc.
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Mark D. Shaw
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E03 - WATER SUPPLY SEWERAGE
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Filter vent fitting
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Patent number 6,550,492
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Issue date Apr 22, 2003
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UltraTech International, Inc.
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Mark D. Shaw
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Drain sealing device
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Patent number 6,530,722
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Issue date Mar 11, 2003
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Mark D. Shaw
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E03 - WATER SUPPLY SEWERAGE
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Spill containment pan
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Patent number 6,305,569
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Issue date Oct 23, 2001
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UltraTech International, Inc.
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Laurence M. Bierce
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spill containment pan
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Patent number 6,173,856
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Issue date Jan 16, 2001
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UltraTech International, Inc.
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Laurence M. Bierce
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Multi-stage vent filter
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Patent number 5,891,223
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Issue date Apr 6, 1999
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UltraTech International, Inc.
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Mark D. Shaw
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Stabilizer for plural drum stacks
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Patent number 5,636,753
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Issue date Jun 10, 1997
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Dennis Wilkinson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Reinforced containment pallet
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Patent number 5,615,608
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Issue date Apr 1, 1997
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Mark D. Shaw
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Drum-top drainfield funnel
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Patent number 5,577,539
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Issue date Nov 26, 1996
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Mark D. Shaw
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Drainfield funnel
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Patent number 5,117,878
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Issue date Jun 2, 1992
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Mark D. Shaw
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Polyethylene shipping drum
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Patent number 5,096,083
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Issue date Mar 17, 1992
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Essef Corporation
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Mark D. Shaw
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Containment storage apparatus
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Patent number 5,042,683
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Issue date Aug 27, 1991
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Mark D. Shaw
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL