American inventor Ogden Bolton Jr. patented the first electric-powered bicycle.
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The Soviet Union started mass producing the AK-47 assault rifle.
A patent was granted to Robert Goddard for a liquid-filled rocket.
Swedish-American inventor John Ericsson patented the screw propeller design.
Inventor George Eastman patented camera shutters and trademarked the name 'Kodak.'
The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
