Inventor

David A. Christman

Inventor
Rowayton, CT, US

Overview

6→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television60%
H04LTransmission of digital information, e.g. telegraphic communication40%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2012Patents assigned to TIME WARNER CABLE INC (3)· patent assignee history
2009–2021Based in Rowayton, CT, US· patent location history
2012–2015Patents assigned to CHRISTMAN DAVID A (2)· patent assignee history
2012–2015Patents assigned to HAYASHI MICHAEL T (2)· patent assignee history
2012–2015Patents assigned to HELMS WILLIAM (2)· patent assignee history
2015–2021Patents assigned to TIME WARNER CABLE ENTPR LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TIME WARNER CABLE ENTPR LLC32015–2021
TIME WARNER CABLE INC32009–2012
CHRISTMAN DAVID Aself22012–2015
HAYASHI MICHAEL T22012–2015
HELMS WILLIAM22012–2015
Locations
LocationPatentsSpan
Rowayton, CT, US62009–2021