Inventor
William Todd Marshall
Inventor
Chatham, NJ, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
H04MTelephonic communication35%
H04QSelecting26%
PatentTitleYear
10,237,414Methods, systems, and products for voice-over internet protocol calls20199,942,411Methods, systems, and products for voice-over internet protocol calls20189,762,739'Methods, systems, and products for voice-over internet protocol calls'20179,277,058'Methods, systems, and products for voice-over internet protocol calls'20169,112,923'Method for performing lawfully-authorized electronic surveillance'20158,873,547'Method for performing gate coordination on a per-call basis'20148,284,911'Method for call forwarding without hairpinning and with split billing'20128,249,059'Method for performing gate coordination on a per-call basis'20128,107,479'Method and system for telephony and high-speed data access on a broadband access network'20127,920,542'Method and apparatus for providing secure voice/multimedia communications over internet protocol'20117,778,240'Method for performing gate coordination on a per-call basis'20107,742,467'Method for performing segmented resource reservation'20107,711,098'Method for call forwarding without hairpinning and with split billing'20107,492,886'Method for allocating network resources'20097,305,081'Method for exchanging signaling messages in two phases'20077,289,490'Method for performing gate coordination on a per-call basis'20077,274,662'Method for performing segmented resource reservation'20077,245,610'Method for performing gate coordination on a per-call basis'20077,206,397'Method for allocating network resources'20077,151,772'Method for performing lawfully-authorized electronic surveillance'20067,035,410'Method and apparatus for enhanced security in a broadband telephony network'20067,027,581'Method for exchanging signaling messages in two phases'20066,983,040'Method for call forwarding without hairpinning and with split billing'20066,915,421'Method for establishing call state information without maintaining state information at gate controllers'20056,870,845'Method for providing privacy by network address translation'20056,823,059'Method for allocating network resources'20046,757,290'Method for performing gate coordination on a per-call basis'20046,748,070'Method for allocating network resources'20046,694,429'Method for establishing call state information without maintaining state information at gate controllers'20046,665,299'Method and system for telephony and high speed data access on a broadband access network'20036,577,718'Method for call forwarding without hairpinning and with split billing'20036,574,335'Method for simulating a ring back for a call between parties in different communication networks'20036,498,797'Method and apparatus for communication services on a network'20026,483,912'Method for allocating network resources'20026,324,279'Method for exchanging signaling messages in two phases'20016,098,188'Packet framer'20005,524,116'Packet framer'19964,852,127'Universal protocol data receiver'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2019Based in Chatham, NJ, US· patent location history
1996–2007Patents assigned to AT & T CORP (22)· patent assignee history
2009–2019Patents assigned to AT & T IP II LP (14)· patent assignee history
2012–2015Patents assigned to MARSHALL WILLIAM TODD (5)· patent assignee history
2012–2015Patents assigned to RAMAKRISHNAN KADANGODE K (5)· patent assignee history
2012–2015Patents assigned to MISHRA PARTHO PRATIM (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T CORP | 22 | 1996–2007 |
| AT & T IP II LP | 14 | 2009–2019 |
| MARSHALL WILLIAM TODDself | 5 | 2012–2015 |
| RAMAKRISHNAN KADANGODE K | 5 | 2012–2015 |
| MISHRA PARTHO PRATIM | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chatham, New Jersey, US | 38 | 1989–2019 |