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Compact variable pitch fan
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Patent number 8,197,214
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Issue date Jun 12, 2012
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Flexxaire Manufacturing Inc.
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Jonathan Edwards McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Industrial fan
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Patent number 7,670,114
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Issue date Mar 2, 2010
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Flexxaire Manufacturing Inc.
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Jonathan E. McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Control system for variable pitch fan
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Patent number 7,229,250
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Issue date Jun 12, 2007
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Flexxaire Manufacturing Inc.
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Jonathan E McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 6,942,458
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Issue date Sep 13, 2005
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Flexxaire Manufacturing Inc.
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Jonathan E. McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 6,644,922
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Issue date Nov 11, 2003
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Flexxaire Manufacturing Inc.
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Jonathan E. McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 6,439,850
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Issue date Aug 27, 2002
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Flexxaire Manufacturing Inc.
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Jonathan E. McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 6,113,351
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Issue date Sep 5, 2000
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Flexxaire Manufacturing Inc.
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Jonathan E. McCallum
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 5,122,034
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Issue date Jun 16, 1992
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Flexxaire Manufacturing Inc.
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Clarence Isert
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable pitch fan
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Patent number 5,022,821
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Issue date Jun 11, 1991
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Flexxaire Manufacturing Inc.
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Clarence A. Isert
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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74151726 - FLEXXAIRE
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Serial number 74151726
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Registration number 1820432
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Filing date Mar 27, 1991
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FLEXXAIRE MANUFACTURING INC.
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7 - Machines and machine tools