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Fluid blow-off muffler
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Patent number 4,953,659
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Issue date Sep 4, 1990
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Thomas R. Norris
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Fluid discharge silencer
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Patent number 4,596,307
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Issue date Jun 24, 1986
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Louis A. Challis
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Boiler noise suppressor
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Patent number 4,392,549
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Issue date Jul 12, 1983
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Instytut Chemii Nieorganicznej
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Stanislaw Wrobel
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Fluid blow-off muffler
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Patent number 4,353,434
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Issue date Oct 12, 1982
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Thomas R. Norris
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3635309
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Patent number 3,635,309
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Issue date Jan 18, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3602333
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Patent number 3,602,333
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Issue date Aug 31, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3580691
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Patent number 3,580,691
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Issue date May 25, 1971
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3503465
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Patent number 3,503,465
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Issue date Mar 31, 1970
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2942685
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Patent number 2,942,685
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Issue date Jun 28, 1960
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2301614
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Patent number 2,301,614
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Issue date Nov 10, 1942
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2255760
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Patent number 2,255,760
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Issue date Sep 16, 1941
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES