Hair coloring calculator

Details Hair coloring calculator Hair coloring calculator

1981-03-30

1984-02-28

Krass, Errol A.

Boots, shoes, and leggings

353 28, 364518, 434371, G06F 1520

Patent

active

044344678

ABSTRACT:
A device for determining the hair coloring products to be used to change the user's present hair color to a new hair color. The device includes a keyboard for entering a designation which identifies the user's present hair color and the desired hair color. The user also enters data to identify the particular line of hair coloring products which the user desires to use. The device then responds to such data by displaying the designations of hair coloring products of the chosen line which will change the user's present hair color to the new hair color.

REFERENCES:
patent: 4160271 (1979-07-01), Grayson et al.
patent: 4232334 (1980-11-01), Dyson
patent: 4276570 (1981-06-01), Burson et al.

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