Inventor
Charles W. Roark
Inventor
Plano, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks100%
PatentTitleYear
7,006,469'Common control channel dynamic frequency assignment method and protocol'20066,404,751'Common control channel dynamic frequency assignment method and protocol'20026,226,280'Allocating and de-allocating transmission resources in a local multipoint distribution services system'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to TEXAS INSTRUMENTS INC (1)· patent assignee history
2001–2006Based in Plano, TX, US· patent location history
2002–2006Patents assigned to CISCO TECH IND (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CISCO TECH IND | 2 | 2002–2006 |
| TEXAS INSTRUMENTS INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plano, Texas, US | 3 | 2001–2006 |