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Underfloor duct
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Patent number 11,338,830
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Issue date May 24, 2022
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Kawasaki Jukogyo Kabushiki Kaisha
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Mitsuru Yokoyama
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B60 - VEHICLES IN GENERAL
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Article transport facility
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Patent number 10,640,132
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Issue date May 5, 2020
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Daifuku Co., Ltd.
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Ryuya Murakami
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B60 - VEHICLES IN GENERAL
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Air conditioner and railcar
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Patent number 10,343,699
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Issue date Jul 9, 2019
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Kawasaki Jukogyo Kabushiki Kaisha
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Masanori Takahashi
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B60 - VEHICLES IN GENERAL
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Railroad hopper car vent
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Patent number 4,896,590
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Issue date Jan 30, 1990
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Pullman Leasing Company
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William J. Groos
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B60 - VEHICLES IN GENERAL
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3593644
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Patent number 3,593,644
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Issue date Jul 20, 1971
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B61 - RAILWAYS
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3159089
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Patent number 3,159,089
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Issue date Dec 1, 1964
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F24 - HEATING RANGES VENTILATING
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3151538
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Patent number 3,151,538
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Issue date Oct 6, 1964
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F24 - HEATING RANGES VENTILATING