John J. Ferris — 1 Patent at Educational Testing Service

John J. Ferris — 1 Patent

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

Titusville, NJ: #59 of 96 inventorsTop 65%

New Jersey: #41,444 of 69,400 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

John J. Ferris has been granted 1 US patent while listed as an inventor at Educational Testing Service. All of these patents were granted in 1991. John J. Ferris ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John J. Ferris in Titusville, NJ, US.

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

John J. Ferris — 1 Patent

Issued Patents All Time

Patent Widget