RR

Roger Roberts

📍 Villa Park, CA: #6 of 23 inventorsTop 30%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #83,829 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5678001 Computerized game teaching method Ralph Nagel 1997-10-14