73258578
Apr 18, 1980
Nov 6, 1984
Ultra-High-Speed Time Resolved Photometers and Picosecond Streak Cameras; Image Converter Streak Cameras; Framing Cameras; Optical and Electro-Optical Systems and Instruments Comprised of Some or All of the Following: Photodetectors, Photometers, Spectrometers, Fluorometers and Streak Cameras; and Time Measuring Instruments Using Streak Cameras
Electrical and Scientific Apparatus