HJ

Hans E. I. Jernstrom

📍 Barrington, IL: #12 of 42 inventorsTop 30%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #61,108 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4323238 Action toy requiring space perception and eye/hand coordination Thomas L. Long, Ronald Liedtke 1982-04-06