发明名称 Method for protecting at least one baseball area of a baseball playing field
摘要 This invention relates to an integrally weighted baseball cover and system, method and apparatus for quickly delivering the cover and placing it onto an area of a baseball field, such as one or more of the infield areas, such as home base area, first base area, second base area, third base area, pitcher's mound area and/or bullpen areas.
申请公布号 US7270617(B2) 申请公布日期 2007.09.18
申请号 US20030722287 申请日期 2003.11.25
申请人 AER-FLO CANVAS PRODUCTS, INC. 发明人 HENNING WILLIAM W
分类号 A63C19/12;A63D13/00 主分类号 A63C19/12
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