Fluid level gauge
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United States of America Patent
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May 12, 2015
Grant Date -
May 29, 2014
app pub date -
Jan 29, 2014
filing date -
May 6, 2011
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Abstract
A fluid level gauging mechanism external of a reservoir bottle in a dispenser which mechanism emits electromagnetic radiation and senses the electromagnetic radiation emitted which passes through the bottle or is reflected from the bottle through a wall of the bottle into the bottle at a first height and senses reflected radiation passing outwardly from the bottle at a second different height.
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