Inventor

James H. Campbell, IV

Inventor
Winter Haven, FL, US

Overview

5→
Patents
1998–2020
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 communication60%
G06FElectric digital data processing20%
H01HElectric switches20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to PROTEL INC (3)· patent assignee history
1998–1999Based in Winter Haven, FL, US· patent location history
2012Patents assigned to CAMPBELL JAMES HENRY (1)· patent assignee history
2012Patents assigned to MIRELES JOSE G (1)· patent assignee history
2012Patents assigned to RODRIGUEZ LORENZO G (1)· patent assignee history
2012Patents assigned to SENDA MICRO TECHNOLOGIES INC (1)· patent assignee history
2012Based in El Paso, TX, US· patent location history
2020Based in Orlando, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROTEL INC31998–1999
CAMPBELL JAMES HENRYself12012
MIRELES JOSE G12012
RODRIGUEZ LORENZO G12012
SENDA MICRO TECHNOLOGIES INC12012
Locations
LocationPatentsSpan
Winter Haven, Florida, US31998–1999
Orlando, Florida, US12020
El Paso, Texas, US12012