Cleaning machine
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United States of America Patent
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May 6, 2014
Issued Date -
N/A
app pub date -
Jun 18, 2009
filing date -
Jun 19, 2008
priority date (Note) -
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Abstract
A cleaning machine having two front wheels and two rear wheels supporting a chassis, the chassis having a central spine, the cleaning machine including a first electrical cell for propelling the cleaning machine, said first electrical cell being positioned between one of the front wheels and one of the rear wheels and outboard of the central spine.
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