Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Lewallen — 1 Patent in 2021

Zimmer: 1 patents #121 of 125Top 100%
Rochester, MN: #176 of 462 inventorsTop 40%
Minnesota: #2,374 of 7,038 inventorsTop 35%
Overall (2021): #482,658 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10893947 Femoral augments for use with knee joint prosthesis Jeff Blaylock, Michael Cook, Ron Donkers, Scott Dykema, Maleata Hall +2 more 2021-01-19