85239091
Feb 10, 2011
Jul 24, 2012
kits for potty training a child comprised of an electronic sensor unit that sounds a tone when the diaper is being soiled and a diaper; disposable diapers that are specially made for use with an electronic sensor unit that sounds a tone when the diaper is being soiled; an electronic sensor unit that sounds a tone when a diaper is being soiled
Electrical and Scientific Apparatus