Illumination – Combined
Reexamination Certificate
2006-01-10
2006-01-10
Sember, Thomas M. (Department: 2875)
Illumination
Combined
C362S001000, C362S293000, C359S359000, C359S361000, C359S355000
Reexamination Certificate
active
06984058
ABSTRACT:
The invention relates to optical filters comprising an opacified portion. The optical filters are preferably suitable for use in illuminators for weathering devices.
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3M Innovative Properties Company
Fischer Carolyn A.
Sember Thomas M.
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