LexDanaLexDanabeta
Inventor

Charles Robert Kalmanek Jr.

Inventor
Short Hills, NJ, US

Overview

3→
Patents
2005–2006
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 communication33%
H04QSelecting33%
H04JMultiplex communication17%
H04LTransmission of digital information, e.g. telegraphic communication17%
PatentTitleYear
6,982,951'Method for selecting a restoration path in a mesh network'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'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2006Patents assigned to AT & T CORP (3)· patent assignee history
2005–2006Based in Short Hills, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T CORP32005–2006
Locations
LocationPatentsSpan
Short Hills, New Jersey, US32005–2006