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Inventor

Darrell D. Roberts

Inventor
Flower Mound, TX, US

Overview

3→
Patents
2006–2013
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.

H04Mprimary
H04MTelephonic communication75%
H04NPictorial communication, e.g. television25%
PatentTitleYear
8,537,984'Voice over IP telephone recording architecture'20137,499,530'System and method for on-demand recording'20097,054,420'Voice over IP telephone recording architecture'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to TELSTRAT INTERNATIONAL LTD (1)· patent assignee history
2006–2013Based in Flower Mound, TX, US· patent location history
2009Patents assigned to TELSTRAT INT L LTD (1)· patent assignee history
2013Patents assigned to BARKER KIRK (1)· patent assignee history
2013Patents assigned to ROBERTS DARRELL D (1)· patent assignee history
2013Patents assigned to TELESTRAT INTERNATIONAL LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARKER KIRK12013
ROBERTS DARRELL Dself12013
TELESTRAT INTERNATIONAL LTD12013
TELSTRAT INT L LTD12009
TELSTRAT INTERNATIONAL LTD12006
Locations
LocationPatentsSpan
Flower Mound, Texas, US32006–2013