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9 Jun 1931
Robert Goddard was granted a patent for the rocket-powered aircraft.
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3 Apr 1926
Robert Goddard launched his second liquid-fueled rocket.
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14 Jul 1914
A patent was granted to Robert Goddard for a liquid-filled rocket.
Robert Goddard was granted a patent for the rocket-powered aircraft.
Robert Goddard launched his second liquid-fueled rocket.
A patent was granted to Robert Goddard for a liquid-filled rocket.