I don't know if this thread has been made but there have been a lot of inventions created by African Americans that have gone unnoticed even though they have made a huge impact in our every day lives or influenced future innovations smh.. here's some inventions from Richard Spikes.. feel free to add more
- railroad semaphore (1906)
- automatic car washer (1913)
- automobile directional signals (1913)
- beer keg tap (1910)
- self-locking rack for billiard cues (1910)
- continuous contact trolley pole (1919)
- combination milk bottle opener and cover (1926)
- method and apparatus for obtaining average samples and temperature of tank liquids (1931)
- automatic gear shift (1932)
- transmission and shifting thereof (1933)
- automatic shoe shine chair (1939)
- multiple barrel machine gun (1940)
- horizontally swinging barber chair (1950)
- automatic safety brake (1962)
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