ER

Errol L. Root

IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%
📍 Simi Valley, CA: #677 of 1,200 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,065,417 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4316139 Method and apparatus for determining the location of an arc in a waveguide transmission line or the like — 1982-02-16