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1959 Vintage coffee making machine patent
A winning idea. Success. Gold medal for the best idea. The highest award for creative thinking. Golden medal on a red ribbon. Light bulb as a symbol of thought. Successful concept. Vector illustration
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1959 Vintage coffee maker machine patent
History of gunpowder. China invention was employed for early modern warfare in Europe. First explosive spreading throughout Asia and Europe. Flat vector illustration
NIKOLA TESLA U.S. PATENT 613,809 - METHOD OF AND APPARATUS FOR CONTROLLING MECHANISM OF MOVING VEHICLE OR VEHICLES

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