RH

Ronald Helgerson

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Portland, OR: #3,205 of 9,213 inventorsTop 35%
🗺 Oregon: #8,503 of 28,073 inventorsTop 35%
Overall (All Time): #1,250,169 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7327278 Method and apparatus for tracing remote ends of networking cables John Dannenmann 2008-02-05
6975242 Method and apparatus for tracking remote ends of networking cables John Dannenmann 2005-12-13
6577243 Method and apparatus for tracing remote ends of networking cables John Dannenmann 2003-06-10
4375050 Portable automatic multiple test system for multi-pair cables 1983-02-22