IS

Ivan J. Stern

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,249,055 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5900814 Security/prevention system with related device — 1999-05-04
4374926 Method for the production of improved chymopapain — 1983-02-22