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What did black inventor Louis Roberts invent?
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.
What did dr Louis grant invent?
microbiology
What did Crawford W Long invent?
Ether
What did W F Semple invent?
chewing gum
What did Louis glass and William S Arnold invent?
the jukebox
What did Louis Roberts invent?
Roberts helped to invent the microwave, but did not invent it by himself.
What did black inventor Louis Roberts invent?
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.
When was Leonard W. Roberts born?
Leonard W. Roberts was born in 1912.
When did Leonard W. Roberts die?
Leonard W. Roberts died in 1983.
When did Ernest W. Roberts die?
Ernest W. Roberts died in 1924.
When was Richard W. Roberts born?
Richard W. Roberts was born in 1953.
When was Charles W. Roberts born?
Charles W. Roberts was born in 1828.
When did Charles W. Roberts die?
Charles W. Roberts died in 1898.
When was Harold W. Roberts born?
Harold W. Roberts was born on 1895-10-14.
When did Harold W. Roberts die?
Harold W. Roberts died on 1918-10-06.
When did John W. Roberts die?
John W. Roberts died on 1999-01-08.
When was John W. Roberts born?
John W. Roberts was born on 1921-01-01.
