X1014324408-00209-46436</DOCNO> Inventor Thomas Alva Edison HISTORY &gt; INVENTOR PROFILE Thomas Alva Edison Thomas Alva Edison, American inventor, inventor of a practical electric light bulb, electric generating system, sound-recording device, and motion picture projector.
(INVENTOR PROFILE Thomas Alva Edison Thomas Alva Edison; [is]; American inventor)
INVENTOR PROFILE Thomas Alva Edison Thomas Alva Edison
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American inventor