DR

David Ruma

📍 Powell, OH: #16 of 65 inventorsTop 25%
🗺 Ohio: #2,058 of 6,556 inventorsTop 35%
Overall (2016): #422,971 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9240990 Acknowledgment authentication system and method — 2016-01-19