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Filter for vehicle exhaust system
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Patent number 7,877,989
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Issue date Feb 1, 2011
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Billy Kirsch
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Exhaust filter
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Patent number 5,606,854
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Issue date Mar 4, 1997
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Air Filter Plus Inc.
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David J. Hoffmann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Filter, bag and method
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Patent number 5,188,644
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Issue date Feb 23, 1993
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Keith Landy
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Engine exhaust system
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Patent number 5,129,926
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Issue date Jul 14, 1992
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James E. Harwell
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Composite gas filtering unit
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Patent number 5,120,331
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Issue date Jun 9, 1992
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Keith Landy
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3802163
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Patent number 3,802,163
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Issue date Apr 9, 1974
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3786635
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Patent number 3,786,635
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Issue date Jan 22, 1974
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3722189
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Patent number 3,722,189
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Issue date Mar 27, 1973
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3698875
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Patent number 3,698,875
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Issue date Oct 17, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3666422
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Patent number 3,666,422
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Issue date May 30, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3642259
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Patent number 3,642,259
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Issue date Feb 15, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES