AT

Athanasios Tsokas

📍 Chalkida, GR: #1 of 3 inventorsTop 35%
Overall (All Time): #3,959,436 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4772208 Apparatus for use in teaching mathematics — 1988-09-20