-
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Pistons for engines or motors
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Patent number 5,174,193
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Issue date Dec 29, 1992
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T&N Technology Limited
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David A. Parker
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Pistons with bearing members
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Patent number 4,928,578
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Issue date May 29, 1990
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AE PLC
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Michael L. P. Rhodes
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pistons with bearing lands
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Patent number 4,876,947
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Issue date Oct 31, 1989
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AE PLC
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Michael L. P. Rhodes
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Pistons
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Patent number 4,838,149
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Issue date Jun 13, 1989
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AE PLC
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Geoffrey M. Donnison
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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-
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Manufacture of pistons
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Patent number 4,752,995
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Issue date Jun 28, 1988
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AE PLC
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John G. Collyear
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR