Johan Boersma

SO Sony: 1 patents #17,262 of 25,231Top 70%

📍 Emmen, NL: #47 of 79 inventorsTop 60%

Overall (All Time): #3,243,255 of 4,157,543Top 80%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7903826	Headset with ambient sound	—	2011-03-08