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Inventor

Andrew Paul Lefevre

Inventor
Great Dunmow, GB

Overview

3→
Patents
1986–2003
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television50%
G06GAnalogue computers25%
H04MTelephonic communication25%
PatentTitleYear
6,563,539'Charge transfer circuit for use in imaging systems'20035,898,332'Time delay charge integration circuit'19994,608,462'Telephone instrument circuit'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to INT STANDARD ELECTRIC CORP (1)· patent assignee history
1986–2003Based in Great Dunmow, GB· patent location history
1999Patents assigned to NORTHERN TELECOM LTD (1)· patent assignee history
2003Patents assigned to NORTEL NETWORKS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INT STANDARD ELECTRIC CORP11986
NORTEL NETWORKS LTD12003
NORTHERN TELECOM LTD11999
Locations
LocationPatentsSpan
Great Dunmow, GB31986–2003