The Lady Edison

अपनी भाषा में प्लॉट जोड़ेंIn 1870, Margaret Knight launched a patent dispute. She is forced to prove in court that she the designer, is the rightful owner of the patent of the machine that puts bottoms on paper bags;... सभी पढ़ेंIn 1870, Margaret Knight launched a patent dispute. She is forced to prove in court that she the designer, is the rightful owner of the patent of the machine that puts bottoms on paper bags; not the man who has already built it.In 1870, Margaret Knight launched a patent dispute. She is forced to prove in court that she the designer, is the rightful owner of the patent of the machine that puts bottoms on paper bags; not the man who has already built it.