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Class 84/477R - Indicators


Subclass of Class 84 - Music
Definition: Miscellaneous visual devices responding to movements of
No. of patents: 570
Last issue date: 04/17/2012


                    15  
NumberTitleIssue Date
4000679Four-channel color organ
A color organ device for producing a visual display of lights responsive to electrical signals produced on respective channels of a four-channel stereo. The device includes a housing having a plurality of banks of lights therein which is rotated by an ele...
01/04/1977
                    15  
 
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