Inventor

John S. Petty

Inventor
Chapel Hill, NC, US

Overview

15→
Patents
1988–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

G06Fprimary
G06FElectric digital data processing33%
H03KPulse technique17%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04MTelephonic communication11%
H05KPrinted circuits11%
G01SRadio direction-finding6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to IBM (3)· patent assignee history
1988–1992Based in Durham, NC, US· patent location history
1998–2013Based in Chapel Hill, NC, US· patent location history
2000–2005Patents assigned to ERICSSON INC (9)· patent assignee history
2011–2013Patents assigned to ERICSSON TELEFON AB L M (3)· patent assignee history
2013Patents assigned to PETTY JR JOHN STEWART (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ERICSSON INC92000–2005
ERICSSON TELEFON AB L M32011–2013
IBM31988–1998
PETTY JR JOHN STEWARTself12013
Locations
LocationPatentsSpan
Chapel Hill, NC, US131998–2013
Durham, NC, US21988–1992