DR

Dion Ivo de Roo

SB Sonionmicrotronic Nederland B.V.: 1 patents #1 of 8Top 15%
📍 Voorburg, NL: #5 of 13 inventorsTop 40%
Overall (2005): #211,678 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6937735 Microphone for a listening device having a reduced humidity coefficient Adrianus Maria Lafort, Michel de Nooij, Raymond Mögelin 2005-08-30