John J. Ferris

ES Educational Testing Service: 1 patents #128 of 260Top 50%

📍 Titusville, NJ: #59 of 96 inventorsTop 65%

🗺 New Jersey: #41,174 of 69,400 inventorsTop 60%

Overall (All Time): #3,875,284 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5011413	Machine-interpretable figural response testing	William Kraft, Winton H. Manning, Michael E. Martinez	1991-04-30