Inventor
HELMS CHARLES C
US4 patents
Patents
4 patentsUS4487477ADec 11, 1984
Optical beam splitter
PERKIN ELMER CORP22 citations80
US4678917AJul 7, 1987
Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus
PERKIN ELMER CORP19 citations77
US4192614AMar 11, 1980
L/C detector cell assembly
PERKIN ELMER CORP29 citations77
US4234790ANov 18, 1980
Photodetector heat stabilizer
PERKIN ELMER CORP6 citations60