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Heat exchanger systems
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Patent number 5,697,435
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Issue date Dec 16, 1997
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Teledyne Industries, Inc.
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George Stickford
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F24 - HEATING RANGES VENTILATING
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Low NOX gas combustion systems
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Patent number 5,431,557
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Issue date Jul 11, 1995
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Teledyne Industries, Inc.
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Robert E. Hamos
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F24 - HEATING RANGES VENTILATING
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Fluid valve systems
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Patent number 5,320,140
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Issue date Jun 14, 1994
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Teledyne Industries, Inc.
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Robert E. Hamos
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Fluid valve systems
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Patent number 5,211,195
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Issue date May 18, 1993
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Teledyne Industries, Inc.
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Robert E. Hamos
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Heat exchanger baffle system
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Patent number 5,163,508
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Issue date Nov 17, 1992
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Teledyne Industries, Inc.
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Robert E. Hamos
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F24 - HEATING RANGES VENTILATING
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