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USPTO Patent Rankings Data through Sept 30, 2025
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Lennie L. Burckhardt — 1 Patent

Tyler, MN: #1 of 2 inventorsTop 50%
Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,977,353 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4676399 Dry pellet dispensing apparatus 1987-06-30