PROOFTHINK
Mark Identification

PROOFTHINK

Serial Number

99612268

Filing Date

Jan 23, 2026

Trademark by

FRANKLIN KEMP

CHARLES DAVID KEMP

CHRISTOPHER ZHOU

MATILDA AMANDA KEMP

SIMON WILSON REICHARD

Classification Information

Educational apparatus in the nature of clock faces for use as teaching aids; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts

Electrical and Scientific Apparatus