EH

Erik V. Helfrich

LC Level 3 Communications: 4 patents #197 of 630Top 35%
Overall (All Time): #1,109,519 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12010261 Systems, methods, and storage media for testing local loops of telecommunications networks Thomas C. Woldahl, Michael J. Durkin, Larry J. North, Abid Khan 2024-06-11
11659081 Systems, methods, and storage media for testing local loops of telecommunications networks Thomas C. Woldahl, Michael J. Durkin, Larry J. North, Abid Khan 2023-05-23
11277509 Systems, methods, and storage media for testing local loops of telecommunications networks Thomas C. Woldahl, Michael J. Durkin, Larry J. North, Abid Khan 2022-03-15
10880430 Systems, methods, and storage media for testing local loops of telecommunications networks Thomas C. Woldahl, Michael J. Durkin, Larry J. North, Abid Khan 2020-12-29