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Three point turning machine
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Patent number 8,186,249
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Issue date May 29, 2012
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Pratt & Whitney Canada Corp.
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Ioan Sasu
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Discrete passage diffuser
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Patent number 7,628,583
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Issue date Dec 8, 2009
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Pratt & Whitney Canada Corp.
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Douglas Allan Roberts
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Hybrid vane island diffuser
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Patent number 7,025,566
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Issue date Apr 11, 2006
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Pratt & Whitney Canada Corp.
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Ioan Sasu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Airfoil machining using cup tool
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Patent number 6,935,817
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Issue date Aug 30, 2005
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Pratt & Whitney Canada Corp.
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Ioan Sasu
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Discrete passage diffuser
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Patent number 6,589,015
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Issue date Jul 8, 2003
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Pratt & Whitney Canada Corp.
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Douglas Allan Roberts
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Integrated duct diffuser
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Patent number 6,471,475
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Issue date Oct 29, 2002
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Pratt & Whitney Canada Corp.
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Ioan Sasu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...