Inventor
Donald F Caldwell
Inventor
Westfield, NJ, US
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| AT & T CORP | 1 | 2005 |
| AT & T IP I LP | 1 | 2014 |
| CALDWELL DONALDself | 1 | 2014 |
| CALDWELL DONALD Fself | 1 | 2010 |
| CHURCH KENNETH WARD | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westfield, New Jersey, US | 3 | 2005–2014 |