Device for facilitating detection of hygienic hand washing
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United States of America Patent
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Sep 1, 2015
Grant Date -
Aug 15, 2013
app pub date -
Jan 11, 2013
filing date -
Jan 18, 2012
priority date (Note) -
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Abstract
A door mountable device for facilitating detection of hygienic hand washing. A dye dispenser is mounted on a door handle in a manner such that a soap washable dye is deposited on hands that contact the handle upon entry into a restroom facility. The resulting dye stain area is removed by thorough hand washing. Any stain remaining upon exiting the restroom is an indicator that hands have not been hygienically washed.
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