His lesser-known inventions include a vote-recording machine & the mimeograph machine
There's a less-recognized invention the Wizard of Menlo Park designed ... 
become his first patented invention: a machine which recorded the ballots of ... At 
the time, laying claim to the first patent for a voting machine was a pretty... [DOC] [TLE] Thomas Alva Edison facts, information, pictures | Encyclopedia.com ... [PAR] His first patent was for an electric vote recorder.