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Flexible swimming pool cleaner hose
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Patent number 5,348,051
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Issue date Sep 20, 1994
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Dieter H. F. Kallenbach
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatic relief valve
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Patent number 5,105,848
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Issue date Apr 21, 1992
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Zarina Holding C.V.
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Dieter H. F. Kallenbach
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatic relief valve
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Patent number 5,033,504
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Issue date Jul 23, 1991
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BPH Patent Holding AG
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Dieter H. F. Kallenbach
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Swimming pool cleaner
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Patent number 5,014,382
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Issue date May 14, 1991
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BPH Patent Holding AG
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Dieter H. F. Kallenbach
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E04 - BUILDING
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Pool cleaner accessory
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Patent number 4,982,754
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Issue date Jan 8, 1991
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BPH Patent Holding AG
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Dieter H. F. Kallenbach
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E04 - BUILDING
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Pool cleaner component
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Patent number 4,949,419
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Issue date Aug 21, 1990
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BPH Patent Holding AG
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Dieter H. F. Kallenbach
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E04 - BUILDING
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Suction operated cleaner
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Patent number 4,807,318
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Issue date Feb 28, 1989
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Coxwold (Proprietary) Limited
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Dieter H. F. Kallenbach
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E04 - BUILDING
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