US Patent 7473013 Indicator lamp having a converging lens
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Patent abstract
It is sought to provide an indicator lamp, which is excellent not only in short distance visual recognition property but also in long distance one, as well as being further excellent in sight field angle property.
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US Patent 07473013 Indicator lamp having a converging lens US Patent 7473013 Indicator lamp having a converging lens
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Patent Number
0747301300
Patent Number
747301300
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Patent Jurisdiction
Patent Number
074730130
Date of Patent
January 6, 2009
0Patent Application Number
105950940
Date Filed
December 6, 2004
0Official Website
Patent Primary Examiner
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Is a
Patent Jurisdiction
Patent Number
074730130
Date of Patent
January 6, 2009
0Patent Application Number
105950940
Date Filed
December 6, 2004
0Official Website
Patent Primary Examiner
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US Patent 07473013 Indicator lamp having a converging lens
Infobox
Is a
Patent jurisdiction
Patent number
07473013
Date of patent
January 6, 2009
Patent application number
10595094
Date Filed
December 6, 2004
Patent primary examiner
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