Inventor

David Anthony Orwick

Inventor
Crystal Lake, IL, US

Overview

10→
Patents
2001–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H04Mprimary
H04MTelephonic communication43%
H04QSelecting33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
H04LTransmission of digital information, e.g. telegraphic communication5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to AMERITECH CORP (3)· patent assignee history
2001–2014Based in Crystal Lake, IL, US· patent location history
2004–2007Patents assigned to SBC PROPERTIES LP (6)· patent assignee history
2007Based in Nixa, MO, US· patent location history
2014Patents assigned to AT & T IP I LP (1)· patent assignee history
2014Patents assigned to BARTELS TODD AUGUST (1)· patent assignee history
2014Patents assigned to BLUMENSCHEIN GORDON LYNN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SBC PROPERTIES LP62004–2007
AMERITECH CORP32001–2002
AT & T IP I LP12014
BARTELS TODD AUGUST12014
BLUMENSCHEIN GORDON LYNN12014
Locations
LocationPatentsSpan
Crystal Lake, Illinois, US92001–2014
Nixa, MO, US12007