RD

Reza Djali

📍 Stourbridge, GB: #15 of 56 inventorsTop 30%
Overall (All Time): #1,675,406 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4705478 Superimposed transparencies used in education — 1987-11-10
4676754 Visual aid for teaching linear relationships — 1987-06-30
4655714 Visual aid for teaching trigonometric functions — 1987-04-07