GRAMSTACKERS
USPTO Trademark Record · Serial No. 74448696
Trademark details
It was initially claimed by Master Creative Teaching Associates, Inc. on 19931019.
That brand applies to the following goods and services:interlocking block apparatus which allows for the stacking of units weighing 1, 5, 10, 20, and 50 grams respectively, used to teach about metric weight units and principles of physics.
You can learn more about that trademark on the USPTO website: View the USPTO record
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