MD

Mark Donaldson

SS Soundchip Sa: 2 patents #1 of 4Top 25%
📍 Vevey, CH: #4 of 25 inventorsTop 20%
Overall (2019): #144,918 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10313780 Earphone connection apparatus Amit Naran, Robert L. Beck 2019-06-04
10249282 Active noise reduction device Paul Darlington 2019-04-02