Inventor

John A. Karpicke

Inventor
Indianapolis, IN, US

Overview

5→
Patents
1995–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H04Mprimary
H04MTelephonic communication40%
G06FElectric digital data processing20%
G10LSpeech analysis techniques or speech synthesis20%
H04LTransmission of digital information, e.g. telegraphic communication20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to AT & T CORP (3)· patent assignee history
1995–1999Based in Indianapolis, IN, US· patent location history
1997–1999Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T CORP31995–1996
LUCENT TECHNOLOGIES INC21997–1999
Locations
LocationPatentsSpan
Indianapolis, IN, US51995–1999