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Inventor

Mary Louis Hardzinski

Inventor
Palatine, IL, US

Overview

3→
Patents
2003–2011
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 communication100%
PatentTitleYear
7,903,805'Method and system for providing enhanced call waiting'20117,095,826'Method and system for providing enhanced call waiting'20066,539,079'Method and system for providing enhanced call waiting'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2006Patents assigned to AMERITECH CORP (2)· patent assignee history
2003–2011Based in Palatine, IL, US· patent location history
2011Patents assigned to AT & T IP I LP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERITECH CORP22003–2006
AT & T IP I LP12011
Locations
LocationPatentsSpan
Palatine, Illinois, US32003–2011