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Inventor received no royalties for computer mouse

Fact - Douglas Engelbart received no royalties for inventing the computer mouse.
Pic Credits: https://pixabay.com/en/mouse-cp-computer-wireless-1788949/

The inventor of the computer mouse, Douglas Engelbart of SRI International, never received any royalties for his invention. The technology was licensed to Apple and Microsoft which made the device popular with the graphical user interface.

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