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Henry Brown (inventor) : ウィキペディア英語版 | Henry Brown (inventor) Henry Brown was an African-American inventor, invented a type of strongbox. Strongboxes had been around since at least 1835, when English inventors Charles Chubb and Jeremiah Chubb received a patent for a burglar-resisting safe. Henry Brown developed a type of lockable, forged-metal container, divided into compartments, and patented his invention (number 352,036) on November 2, 1886.〔(US Patent 352,036 ), from Google Patents.〕 == References == 〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Henry Brown (inventor)」の詳細全文を読む
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