Mark Identification

PROTOMETER

Serial Number

73177293

Filing Date

Jul 6, 1978

Registration Date

Dec 9, 1980

Trademark by

NATIONAL INSTRUMENT COMPANY INC.

Classification Information

Analyzers-Namely, Hand Refractometers for Determining Serum Protein, Urine Specific Gravity and Refractive Index of Sample Liquids

Electrical and Scientific Apparatus