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SPANDREL ETS
LI3 patents
Top patents by PatentIndex Score
US4663522AMay 5, 1987
Integrating sphere device for measuring transmission of light in objects
SPANDREL ETS31 citations90
US4645922AFeb 24, 1987
Integrating sphere arrangement for producing size-corrected color signals
SPANDREL ETS25 citations90
US5010247AApr 23, 1991
Method of classifying objects according to shape
SPANDREL ETS8 citations65