Mark Identification

PRA

Serial Number

73200234

Filing Date

Jan 16, 1979

Registration Date

Dec 1, 1981

Trademark by

PRA INTERNATIONAL INC.

Classification Information

Scientific Electro-Optics Instruments for Use in Photochemical Research and Related Fields-Namely, Pulsed Light Sources; Nanosecond Light Sources; Nanosecond Fluorometers; Pulsed Polarimeters; Regulated Power Supplies; Modulators; Optical Feedback Units; Monochromators and Drives Therefor; Photomultipliers and Housings and Bases Therefor; UV Preparative Reactors; and Pulsed Nanosecond Fluorometer Systems, Comprised of Excitation Sources, Monochromators, Photomultipliers, Power Supplies, Sample Chambers and Sample Holders, Polarizers, Filters, Optical Train, and Analytical Electronics Packages with Print-Out Features or Other Peripheral Output

Electrical and Scientific Apparatus

Arc Lamp Systems Comprised of Arc Lamps, Modulators, Starters, Housings and Regulated Power Supplies; and Arc Lamp Starters and Housings

Environmental Control Apparatus