Inventor

Donald F Caldwell

Inventor
Westfield, NJ, US

Overview

3→
Patents
2005–2014
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.

G06Fprimary
G06FElectric digital data processing29%
H03MCoding29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
H04LTransmission of digital information, e.g. telegraphic communication14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to AT & T CORP (1)· patent assignee history
2005–2014Based in Westfield, NJ, US· patent location history
2010Patents assigned to CALDWELL DONALD F (1)· patent assignee history
2010Patents assigned to CHURCH KENNETH WARD (1)· patent assignee history
2014Patents assigned to AT & T IP I LP (1)· patent assignee history
2014Patents assigned to CALDWELL DONALD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T CORP12005
AT & T IP I LP12014
CALDWELL DONALDself12014
CALDWELL DONALD Fself12010
CHURCH KENNETH WARD12010
Locations
LocationPatentsSpan
Westfield, New Jersey, US32005–2014