Combination light concentrating and collimating device and light fixture and display screen employing the same
A Standard patent application filed on 25 March 1994 credited to Weinreich, Steve
Details
Application number :
65244
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Combination light concentrating and collimating device and light fixture and display screen employing the same