Analyte detection device having a serpentine passageway for indi

Color card, color book comprising the same, and color card...

Color chart, chart image data recording medium, profile...

Color comparison device having a bulged insertion groove for hol

Color comparison device having a color sample-bonding wheel whic

Color comparison reference standard and method for using same

Color mixture indicator device

Color reference data base and method of preparing same

Color test meter

Comparison sample for simulating an appearance of a...

Comparison sample for simulating the color of keratinous...

Device and method for determining compatible colors

Gas sensors

Method and apparatus for determining plant nutrient status

Method and instrument for selecting personal compatible colors

Method of evaluating meconium content of amniotic fluid

Method of simulating a clear-coat and color-matching articles

Modular scope

Rhombic-shaped scale device for use in judging discoloration, fa

System and method for measuring reflectance of object