You, if your reading this.THINGS WE SHOULD KNOWSarah Boone, a black woman, invented the ironing boardJan D. Matzelinger, a black man, invented the shoe lasting machineWalter Sammons, a black man, invented the combLydia O. Newman, a black woman, invented the brushMadam C. J. Walker, haircare inventionsLloyd P. Ray, a black man, invented the dustpan ( So stop using the cardboard from pantyhose)Thomas W. Stewart, a black man, invented the mopGeorge T Samon, a black man, invented the clothes dryerJohn Love, a black man, invented the pencil sharpenerWilliam Purvis, a black man, invented the typewriting machineW.A. Lovette invented the advanced printing pressJohn Purr, a black man, invented the lawn mowerRichard Spikes, a black man, invented the automatic gear shiftJoseph Gammel invented the supercharge system for internal combustion enginesGarret A. Morgan, a black man, invented the traffic lightJohn Standard, a black man, invented the refrigeratorAlice Parker, a black female, invented the heating furnaceFrederick Jones, a black man, invented the air conditionerElbert R. Robinson, a black man, invented the electric trolleyAlexander Miles, a black man, invented the elevatorPhilip Dowling, a black man, invented the letter drop mailboxWilliam Barry, a black man, invented the postmarking and canceling machineLewis Howard Latimer, a black man, invented the filament within the light bulb ( Not Thomas Edison)Charles Drew, a black scientist, found a way to preserve and store blood, which led to his starting the world’s first blood bankDr. Daniel Hale Williams, a black doctor, performed the first open-heart surgery.