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

Charles J. Heimark, Jr. — 1 Patent

Clarkfield, MN: #1 of 2 inventorsTop 50%
Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,020,764 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4538404 Adjustable crop divider apparatus Charles J. Heimark, Sr. 1985-09-03