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USPTO Patent Rankings Data through Sept 30, 2025
JK

Jan Kukulski

Kosina, PL: #1 of 1 inventorsTop 100%
Overall (2021): #417,972 of 548,734Top 80%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10994755 Device absorbing the energy of impacts of railway cars Leszek Wasilewski 2021-05-04