Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David C. Ringlen — 1 Patent in 2021

Coram, NY: #2 of 13 inventorsTop 20%
New York: #4,600 of 12,766 inventorsTop 40%
Overall (2021): #480,061 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11002847 Incorrect time or wrong key indicator Robert F. Saracino, Robert C. Bonino, Andrew E. Klappert 2021-05-11