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Magnetically operated check valve
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Patent number 5,320,136
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Issue date Jun 14, 1994
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The United States of America as represented by the administrator of the Natio...
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Brian G. Morris
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cooled spool piston compressor
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Patent number 5,238,372
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Issue date Aug 24, 1993
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The United States of America as represented by the administrator of the Natio...
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Brian G. Morris
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Check valve with poppet damping mechanism
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Patent number 5,232,013
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Issue date Aug 3, 1993
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The United States of America as represented by the administrator of the Natio...
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Brian G. Morris
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tank gauging apparatus and method
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Patent number 4,984,457
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Issue date Jan 15, 1991
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The United States of America as represented by the administrator of the Natio...
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Brian G. Morris
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Tank gauging apparatus and method
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Patent number 4,956,996
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Issue date Sep 18, 1990
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The United States of America as represented by the administrator of the Natio...
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Brian G. Morris
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS