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Roland Pierre Trandafir

📍 Seattle, WA: #8,251 of 21,776 inventorsTop 40%
🗺 Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,588,986 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7263199 Microphone assembly — 2007-08-28
7058195 Speaker assembly — 2006-06-06
6600399 Transducer motor/generator assembly — 2003-07-29