RD

Ralph Dyck

RO Roland: 1 patents #161 of 292Top 60%
📍 Vancouver, CA: #1,542 of 5,070 inventorsTop 35%
Overall (All Time): #1,644,974 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5674076 Hand-held sound generating device Zeb Billings, Michael Hennig, Marc Jorgenson 1997-10-07
5052777 Graphics display using bimorphs Ronald Ninnis, Allen Miller, Volker Bodegom 1991-10-01
4419918 Synchronizing signal generator and an electronic musical instrument using the same Peter Dunick 1983-12-13