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Rigidified muffler assembly
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Patent number 5,229,557
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Issue date Jul 20, 1993
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Arvin Industries, Inc.
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James Allman
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Muffler assembly
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Patent number 5,147,987
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Issue date Sep 15, 1992
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Arvin Industries, Inc.
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Larry E. Richardson
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Muffler assembly
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Patent number 4,941,545
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Issue date Jul 17, 1990
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Arvin Industries, Inc.
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Richard C. Wilcox
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES