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USPTO Patent Rankings Data through Sept 30, 2025
MH

Matthias Hopfeld

Kirkel, DE: #2 of 5 inventorsTop 40%
Overall (2004): #267,626 of 270,089Top 100%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6752691 Device for smoothing gear wheels Herbert Jakoby 2004-06-22