PH

Paul A. Heman

IE International Standard Electric: 1 patents #16 of 93Top 20%
📍 Obfelden, CH: #1 of 1 inventorsTop 100%
Overall (1982): #39,699 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

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