Hollow lightpipe and lightpipe tip using a low refractive index inner layer
A Standard patent application filed on 21 February 1989 credited to Levy, Michael B.
;
Laakmann, Katherine D.
Details
Application number :
34136
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Hollow lightpipe and lightpipe tip using a low refractive index inner layer