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Inventor

Frederick R. Ellefson

Inventor
Allen, TX, US

Overview

2→
Patents
2003
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Jprimary
H04JMultiplex communication33%
H04LTransmission of digital information, e.g. telegraphic communication33%
H04QSelecting33%
PatentTitleYear
6,512,740'Telecommunications network distributed restoration method and system'20036,507,561'Telecommunications network distributed restoration method and system'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to CIT ALCATEL (1)· patent assignee history
2003Patents assigned to WORLDCOM INC (1)· patent assignee history
2003Based in Allen, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIT ALCATEL12003
WORLDCOM INC12003
Locations
LocationPatentsSpan
Allen, Texas, US22003