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Cleaning device
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Patent number 11,478,830
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Issue date Oct 25, 2022
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TENON (BEIJING) EQUIPMENT CO., LTD.
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Haodong Zeng
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B08 - CLEANING
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External inflator
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Patent number 10,538,954
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Issue date Jan 21, 2020
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TENON (BEIJING) EQUIPMENT CO., LTD.
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Haodong Zeng
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Apparatus for pasting warm edge spacer
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Patent number 10,414,146
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Issue date Sep 17, 2019
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TENON (BEIJING) EQUIPMENT CO., LTD.
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Haodong Zeng
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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85644199 - TENON
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Serial number 85644199
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Registration number 4291592
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Filing date Jun 6, 2012
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Tenon (Beijing) Equipment Co., Ltd.
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7 - Machines and machine tools