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Top sealing chimney cap
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Patent number 5,437,574
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Issue date Aug 1, 1995
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Lyemance International, Inc.
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Walter Sexton
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Top sealing chimney cap
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Patent number 5,387,151
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Issue date Feb 7, 1995
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Lyemance International, Inc.
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Walter Sexton
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Top sealing chimney cap
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Patent number 5,295,901
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Issue date Mar 22, 1994
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Lyemance International, Inc.
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Walter Sexton
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Chimney damper
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Patent number 5,160,291
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Issue date Nov 3, 1992
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Lyemance International, Inc.
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Walter Sexton
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES