LexDanaLexDanabeta
Inventor

Mahendra Pratap

Inventor
Cliffwood Beach, NJ, US

Overview

7→
Patents
1996–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Mprimary
H04MTelephonic communication50%
H04LTransmission of digital information, e.g. telegraphic communication21%
H04QSelecting14%
H04NPictorial communication, e.g. television7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,756,189'Method and system for routing and security for telephone calls over a packet-switched network'20178,982,875'Method and system for routing and security for telephone calls over a packet-switched network'20158,254,371'Method and system for routing and security for telephone calls over a packet-switched network'20126,584,094'Techniques for providing telephonic communications over the internet'20036,353,610'Method and system for call signaling in telephone calls over a packet-switched network'20025,787,088'Method and system for interoperating between ISDN and PSTN transport for allowing simultaneous transmission of voice and data over one telephone line'19985,502,727'Image and audio communication system having graphical annotation capability'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to AT & T CORP (2)· patent assignee history
1996–2017Based in Cliffwood Beach, NJ, US· patent location history
2012–2017Patents assigned to ALCATEL LUCENT (3)· patent assignee history
2012–2015Patents assigned to BHATTACHARYA SASWATA (2)· patent assignee history
2012–2015Patents assigned to LI QUAN (2)· patent assignee history
2012–2015Patents assigned to MAROULIS SERAFIM (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCATEL LUCENT32012–2017
AT & T CORP21996–1998
BHATTACHARYA SASWATA22012–2015
LI QUAN22012–2015
MAROULIS SERAFIM22012–2015
Locations
LocationPatentsSpan
Cliffwood Beach, New Jersey, US71996–2017