Engracio Usi

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Inventor Addresses

AddressDuration
Jersey City, NJ, USJun 30, 15 - Apr 30, 19

Technology Profile

Technology Matters
G06C: DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY 1
G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 2

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
102760632019Multiplication teaching aid2
90702972015Addition and subtraction teaching aid0

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