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Linear drive
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Patent number 6,400,047
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Issue date Jun 4, 2002
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Festo AG & Co.
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Ralf Hartramph
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Linear drive
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Patent number 6,177,743
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Issue date Jan 23, 2001
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Festo AG & Co.
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Ralf Hartramph
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Road sweeping machine
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Patent number 5,901,409
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Issue date May 11, 1999
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Alfred Karcher GmbH & Co.
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Roland Schick
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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