DJ

David F. James

MA Mattel: 1 patents #5 of 40Top 15%
📍 Redondo Beach, CA: #8 of 27 inventorsTop 30%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #70,567 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4322074 Electronic game system Peter A. Oliphant, Timothy A. Effler 1982-03-30