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Patent Model

Код 1288795

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Аннотация к книге "Patent Model"

High Quality Content by WIKIPEDIA articles! A patent model was a scratch-built miniature model no larger than 12" by 12" by 12" (approximately 30 cm by 30 cm by 30 cm) that showed how an invention works. It was one of the most interesting early features of the United States patent system.Since most early inventors were ordinary people without technological or legal training, it was difficult for them to submit formal patent applications which require the novel features of an invention to be...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-6-1336-3187-8
Объём: 76 страниц
Масса: 135 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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