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

Doug Harris

HEHe&M: 1 patents #6 of 10Top 60%
Pryor Creek, OK: #13 of 26 inventorsTop 50%
Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,135,923 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8893873 Material handling feed table 2014-11-25