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

Blair C. Douglass

Phoenix, AZ: #3,656 of 6,660 inventorsTop 55%
Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,647,027 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5893805 Golf swing training apparatus 1999-04-13