Those are actually ALL false. And LOL at you "sources". The first two are insane Afrocentrist sites and the last is just a generic link to Wikipedia's mobile site and has NOTHING to do with those claims. You cannot provide actual evidence for ANY of those claims, because it does not exist. Those claims originated as a hoax n an email called "Life without black people." Not ONE of those inventions did black people actually invent. Feel free to look it up on Snopes if you'd like.But if you insist
Automatic gear shaft
folding bed and chair
About hallway down the page in THIS thread:
I address each claim individually.