A partial list of things created or designed by black inventors:

A partial list of things created or designed by black inventors:
Dry cleaning process.Sugar refining machine.Folding cabinet bed.Fire extinguisher design.Lubricating system for steam engine.Ironing table.Rotary Engine design.Fire escape ladder design.Refrigerating device.Adjustable window cornice.Biscuit cutter.Printing press design.File holder design.Eye protector.Self-setting animal trap.Electric lamp.Globe support for the electric lamp.Manufacturing carbons.Hand stamp.Railway window ventilator.Corn husking machine.Eggbeater.Steam boiler furnace.Telephone transmitter.Umbrella stand.Guitar design.Horseshoe design.Riding saddles.Shoe making machine.Elevator concept.Carpet cleaner formula.Folding chair design.Fountain pen.Lawn mower grass catcher.Safety gate for bridges.Refrigerator design.Letter box design.Flag-making technique.Clothes dryer.Curtain rod.Window cleaner.Mop design.Shoe-dyeing device.Air conditioner design.Self-feeding rapid-fire riffle.Gas mask.Traffic light.Safety helmet.Automatic gearshift.Movie ticket machine.Blood plasma storage.
Source: "Created Equal" by James Michael Brodie