FR

Frederick Rieber

HA Hasbro: 1 patents #2 of 40Top 5%
📍 Hamburg, NY: #2 of 13 inventorsTop 20%
🗺 New York: #1,999 of 7,187 inventorsTop 30%
Overall (1997): #151,926 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5681170 Electronic learning apparatus with self-adjusting level of difficulty Joseph Paul Sejnowski, Randolph J. Primozic, Jr. 1997-10-28