Rank these UK patent milestones by the year they were officially granted, earliest first.
Britain has a long history of world-changing patents. Can you place these four inventions in the correct chronological order by their granted patent year?
Put the options in the correct order. Drag the β Ώ icon to reorder.
1
James Dyson's cyclonic bagless vacuum patent2
Alexander Graham Bell's telephone patent (UK)3
Christopher Cockerell's hovercraft patent4
Frank Whittle's turbojet engine patentAnoniem stemmen is mogelijk. Registreer voor een profiel en score.
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