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USPTO Patent Rankings Data through Sept 30, 2025
CK

Christian F. Kummer

KMKummer Freres S.A. /Fabrique De Machines: 1 patents #1 of 3Top 35%
Tramelan, CH: #1 of 2 inventorsTop 50%
Overall (1989): #126,184 of 140,708Top 90%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887500 Ball turner for turning lathes Hans-Jurgen Leiber, Jean-Philippe Meyer 1989-12-19