BJ

Boleslaw Jondro

📍 Zabrze, PL: #14 of 34 inventorsTop 45%
Overall (All Time): #3,931,050 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842146 Pulsator for enriching, particularly hard coal Jan Janik, Herbert Pyka 1989-06-27