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last 30 patents
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Patent Grant
Airtight thermal insulation package with a large opening therein
Patent number
10,894,654
Issue date
Jan 19, 2021
Huian Huicheng Handbag Co., Ltd.
Qiujing Zhuang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Airtight thermal insulation package
Patent number
10,858,172
Issue date
Dec 8, 2020
Huian Huicheng Handbag Co., Ltd.
Qiujing Zhuang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...