RO

Ray F. Ontko

📍 Crawfordsville, IN: #144 of 300 inventorsTop 50%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,872,274 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5000738 Protective syringe with frangible barrel Frank LaVallo, W. M. Patterson 1991-03-19