LexDanaLexDanabeta
Inventor

Erik V. Helfrich

Inventor
Queen Creek, AZ, US

Overview

1→
Patents
2020
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
H04MTelephonic communication50%
PatentTitleYear
10,880,430Systems, methods, and storage media for testing local loops of telecommunications networks2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to LEVEL 3 COMMUNICATIONS LLC (1)· patent assignee history
2020Based in Queen Creek, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEVEL 3 COMMUNICATIONS LLC12020
Locations
LocationPatentsSpan
Queen Creek, AZ, US12020