PH

Paul A. Heman

IE International Standard Electric: 1 patents #147 of 567Top 30%
📍 Obfelden, CH: #4 of 10 inventorsTop 40%
Overall (All Time): #4,064,058 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

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