WJ

Wilfried Johner

IE International Standard Electric: 1 patents #147 of 567Top 30%
📍 Thalwil, CH: #240 of 384 inventorsTop 65%
Overall (All Time): #4,064,057 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311882 Method of and arrangement for testing traffic routes in telecommunication networks Willy R. Haerry, Paul A. Heman 1982-01-19