专利名称：Special sports training ball device as a
solution filled product called a HydroPro
又是什么意思发明人：T. J. Ragan
申请号：US16416213
申请日：20190518
公开号：US20190269980A1
公开日：
20190905
额头长疙瘩专利内容由知识产权出版社提供
精卫填海出自专利附图：
寒假作业
摘要：An inflatable sports training ball made as an inflatable exterior surface formed of an air tight flexible outer casing which, when inflated, defines an exterior surface; an interior air pocket surrounded by an interior liner defining a bladder, the interior liner
三皇五帝分别是谁made of an air tight and water tight rubber; an inflation and fill valve; and a variable amount of solution filling a portion of the bladder, the solution being substantially heavier than air and occupying an amount of said interior volume wherein a pre-determined amount of the solution is forced into the interior air chamber of the sports ball with a pump and the resulting partially solution filled sports ball provides a variable inertia system ud in training sports enthusiasts a better ball control technique and other drills.英语电话用语
申请人：T. J. Ragan
地址：Upland IN US
鸡内金的功效
国籍：US
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