JB

Johan B. Bjerkas

📍 Stenungsund, SE: #94 of 167 inventorsTop 60%
Overall (All Time): #4,021,127 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4539887 String instrument of guitar type — 1985-09-10