Inventor

Patrick J. Campbell

Inventor
Raleigh, NC, US

Overview

10→
Patents
1979–2019
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes18%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light12%
G02BOptical elements, systems or apparatus12%
G07FCoin-freed or like apparatus12%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
G01DMeasuring not specially adapted for a specific variable6%
G01SRadio direction-finding6%
G01VGeophysics6%
G08BSignalling systems, e.g. personal calling systems6%
H01LSemiconductor devices6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2012Patents assigned to CAMPBELL PATRICK J (3)· patent assignee history
1979–2004Based in Pleasant Hill, CA, US· patent location history
1984Based in Pacheco, CA, US· patent location history
2006Based in Coon Rapids, MN, US· patent location history
2012Patents assigned to ENGLMAN ALLON G (1)· patent assignee history
2012Patents assigned to GELBER PHILIP B (1)· patent assignee history
2012Based in Woodridge, IL, US· patent location history
2017–2019Patents assigned to TRIANGLE STRATEGY GROUP LLC (4)· patent assignee history
2017Patents assigned to CAMPBELL PATRICK (1)· patent assignee history
2017–2019Based in Raleigh, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRIANGLE STRATEGY GROUP LLC42017–2019
CAMPBELL PATRICK Jself31979–2012
CAMPBELL PATRICKself12017
ENGLMAN ALLON G12012
GELBER PHILIP B12012
Locations
LocationPatentsSpan
Raleigh, NC, US42017–2019
Pleasant Hill, California, US31979–2004
Woodridge, Illinois, US12012
Coon Rapids, Minnesota, US12006
Pacheco, California, US11984