JF

Johannes Franzen

📍 Mechernich, DE: #12 of 35 inventorsTop 35%
Overall (All Time): #2,004,840 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9321113 Sharpening device for power saw chains — 2016-04-26
8986075 Blade grinder comprising a blade holder — 2015-03-24