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

Leland C. Marsh — 1 Patent

Castalia, IA: #1 of 1 inventorsTop 100%
Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,857,633 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5141059 Method and apparatus for controlling agricultural pests in soil 1992-08-25