US Patent 9165484 Multi-symbol indication apparatus
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Patent abstract
A multi-symbol indication apparatus, may include a plurality of light sources, each of the light sources emitting light of a single color, a plurality of filter units, each of the filter units installed above the light sources with different height each other and reflecting light of the single color corresponding to the relevant light source, wherein a symbol may be carved on each of the filter units, and a display cover installed above the filter units.
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US Patent 09165484 Multi-symbol indication apparatus US Patent 9165484 Multi-symbol indication apparatus
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Patent Number
091654840
Patent Number
91654840
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Patent Jurisdiction
Patent Number
091654840
Date of Patent
October 20, 2015
0Patent Application Number
134877350
Date Filed
June 4, 2012
0Official Website
Patent Primary Examiner
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US Patent 09165484 Multi-symbol indication apparatus
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Is a
Patent jurisdiction
Patent number
09165484
Date of patent
October 20, 2015
Patent application number
13487735
Date Filed
June 4, 2012
Patent primary examiner
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