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Ice-cream maker
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Patent number 4,920,761
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Issue date May 1, 1990
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U.S. Philips Corp.
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Romuald L. Bukoschek
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Electrical fuse
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Patent number 4,630,023
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Issue date Dec 16, 1986
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U.S. Philips Corporation
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Klaus Gawron
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H01 - BASIC ELECTRIC ELEMENTS
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Heat accumulating agent
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Patent number 4,491,529
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Issue date Jan 1, 1985
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U.S. Philips Corporation
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Vera Piel
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Thermal storage device
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Patent number 4,324,287
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Issue date Apr 13, 1982
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U.S. Philips Corporation
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Johann Schroder
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F28 - HEAT EXCHANGE IN GENERAL
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Heat transport device
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Patent number 4,254,820
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Issue date Mar 10, 1981
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U.S. Philips Corporation
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George A. A. Asselman
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F28 - HEAT EXCHANGE IN GENERAL
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Heat storage device
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Patent number 4,220,196
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Issue date Sep 2, 1980
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U.S. Philips Corporation
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Klaus Gawron
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F28 - HEAT EXCHANGE IN GENERAL
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Latent heat accumulator
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Patent number 4,104,185
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Issue date Aug 1, 1978
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U.S. Philips Corporation
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Johann Schroder
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F24 - HEATING RANGES VENTILATING