PROTOMETER
USPTO Trademark Record · Serial No. 73177293
Trademark details
It was initially claimed by National Instrument Company, Inc. on 19780706.
That brand applies to the following goods and services:Analyzers-Namely, Hand Refractometers for Determining Serum Protein, Urine Specific Gravity and Refractive Index of Sample Liquids.
You can learn more about that trademark on the USPTO website: View the USPTO record
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