Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Reexamination Certificate
2008-03-18
2008-03-18
Schwartz, Jordan (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
C351S200000
Reexamination Certificate
active
11071189
ABSTRACT:
A set of each of a plurality of colors is provided which can be distinguished from each other by a color-blind person and a plurality of colors which can be distinguished from each other by a person of normal color vision but are recognized as the each color by the color-blind person.
REFERENCES:
patent: 5619194 (1997-04-01), Belfer
patent: 2004/0085327 (2004-05-01), Jones et al.
patent: 2004/0212815 (2004-10-01), Heeman et al.
patent: 2006/0139644 (2006-06-01), Kahn et al.
patent: 8-331402 (1996-12-01), None
patent: 2002-169473 (2002-06-01), None
patent: 2003-5654 (2003-01-01), None
Jones James C
Schwartz Jordan
Toyo Ink Mfg. Co. Ltd.
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