JB

Johannes A. W. P. Van Bergen

📍 Berg en Dal, NL: #3 of 8 inventorsTop 40%
Overall (All Time): #2,372,801 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4188798 Ear clip with friction-retained gripping portions — 1980-02-19
4187696 Ear ornament clips — 1980-02-12