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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/168
Name: Illumination > Self powered lamp > Nonelectric > Selective wavelength transmitting or light blocking means > With separate movable selective elements > Plural
Description: Subject matter having more than one lens.










Patents under this class:

Patent Number Title Of Patent Date Issued
6626555 Portable illumination device Sep. 30, 2003
5790329 Color changing device for illumination purposes Aug. 4, 1998











 
 
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