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Inventor

Leif Pederson

Inventor
Woodinville, WA, US

Overview

2→
Patents
1987–2004
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.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication25%
H04MTelephonic communication25%
H04QSelecting25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
6,674,767'Flexible system and method for communicating between a broad range of networks and devices'20044,653,085'Telephone switching system adjunct call processing arrangement'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to AT & T CO (1)· patent assignee history
1987Patents assigned to AT & T INFORMATION SYSTEMS INC (1)· patent assignee history
1987Based in Thornton, CO, US· patent location history
2004Patents assigned to MICROSOFT CORP (1)· patent assignee history
2004Based in Woodinville, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T CO11987
AT & T INFORMATION SYSTEMS INC11987
MICROSOFT CORP12004
Locations
LocationPatentsSpan
Woodinville, Washington, US12004
Thornton, CO, US11987