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

David C. Freytag

Cincinnati, OH: #4,941 of 8,043 inventorsTop 65%
Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,758,555 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5580394 Method for cleaning industrial parts including sequential direct spray and immersion of the part 1996-12-03