US Patent 8479956 Soap dispenser having a keyed bottle system

An apparatus for dispensing a personal care product includes a housing, a first panel disposed inside the housing and including a plurality of receptacles, and a first key that is sized to be interchangeably received in each of the receptacles. The apparatus further includes a container sized and shaped to be secured in a particular orientation within the housing, and having a surface that faces the panel when the container is secured in the particular orientation within the housing. A first depression is formed in the container surface to complement with specificity the first key's exterior shape and positioned to pair with the key when the container is secured in the particular orientation within the housing and the key is received in one of the receptacles.