JK

Jack B. Keown

📍 Baden, CH: #290 of 498 inventorsTop 60%
Overall (All Time): #3,979,881 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4685658 Spring element — 1987-08-11