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Differential pressure indicators
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Patent number 5,693,926
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Issue date Dec 2, 1997
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Pall Corporation
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Ronald F. Cassidy
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas supply systems
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Patent number 5,642,729
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Issue date Jul 1, 1997
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Pall Corporation
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Ronald F. Cassidy
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Gas supply systems
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Patent number 5,531,220
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Issue date Jul 2, 1996
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Pall Corporation
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Ronald F. Cassidy
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Pressure devices
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Patent number 5,331,856
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Issue date Jul 26, 1994
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Pall Corporation
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Ronald F. Cassidy
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H01 - BASIC ELECTRIC ELEMENTS
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Indicators
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Patent number 5,299,526
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Issue date Apr 5, 1994
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Pall Corporation
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Ronald F. Cassidy
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Automatic bleed valves
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Patent number 5,211,200
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Issue date May 18, 1993
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Pall Corporation
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Ronald F. Cassidy
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...