DR

David Ruma

📍 Powell, OH: #89 of 479 inventorsTop 20%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #774,930 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12229238 Acknowledgment authentication system and method 2025-02-18
11971971 Acknowledgment authentication system and method 2024-04-30
11132426 Acknowledgment authentication system and method 2021-09-28
10108795 Acknowledgment authentication system and method 2018-10-23
9727718 Acknowledgment authentication system and method 2017-08-08
9240990 Acknowledgment authentication system and method 2016-01-19