Louis Roberts invented a gaseous discharge device. Mr. Roberts holds eleven patents for electronic devices and is the author of papers on electromagnetism, optics, and microwaves.
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yes Garrett a morgon did invent the sewing machine
The toilet seat has been around so long no one can claim to be the original inventor. However, a black man, Johnny Henry of Laurel, Mississippi recently patented a vibrating toilet seat.
I WOULD LIKE TO KNOW WHETHER THEIR ARE PICTURES OF BLACK INVENTOR BENJAMIN BRADLEY .
no he is a petofile
yes she invented the heating furnace and central heat