Optics: measuring and testing – By shade or color – With color transmitting filter
Reexamination Certificate
2007-10-23
2007-10-23
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By shade or color
With color transmitting filter
Reexamination Certificate
active
10976799
ABSTRACT:
A spectrophotometer comprises selection means for selecting one or more of the components of a light beam corresponding to different wavelengths, formed by optical micro-filters.
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CRF Societa Consortile per Azioni
Geisel Kara
Toatley , Jr. Gregory J.
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