Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DM

David H. Madden

Limerick, OR: #1 of 1 inventorsTop 100%
Overall (2021): #482,263 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11189158 System and method for improving hand sanitation in customer-facing environments 2021-11-30