Inventor
David Alan Roberson
Inventor
Bolingbrook, IL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication40%
G06FElectric digital data processing20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04QSelecting20%
PatentTitleYear
10,997,368Resolving ambiguity in a statement20217,254,612'Mailbox profile portion copying among voicemail system components of networks'20077,079,630'Voicemail system component employment of internet protocol network to store or access one or more voicemail messages on one or more storage devices'20066,975,620'Coupling of splitter with subset of plurality of lines on one-to-one basis'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2007Patents assigned to LUCENT TECHNOLOGIES INC (3)· patent assignee history
2005Based in Chicago, IL, US· patent location history
2006–2007Based in Bolingbrook, IL, US· patent location history
2021Patents assigned to ENTIGENLOGIC LLC (1)· patent assignee history
2021Based in Chapin, SC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUCENT TECHNOLOGIES INC | 3 | 2005–2007 |
| ENTIGENLOGIC LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bolingbrook, Illinois, US | 2 | 2006–2007 |
| Chapin, SC, US | 1 | 2021 |
| Chicago, Illinois, US | 1 | 2005 |