Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Dan Singleton — 1 Patent

HAHausted: 1 patents #4 of 6Top 70%
Wadsworth, OH: #205 of 336 inventorsTop 65%
Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,908,427 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4945582 Patient transport apparatus including independently or simultaneously operable leg and backrest portions Eugene P. Hayton, Raymond A. Failor 1990-08-07