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Inventor

Johnny Campbell

Inventor
Woodinville, WA, US

Overview

3→
Patents
1991–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Fprimary
G06FElectric digital data processing33%
F23NRegulating or controlling combustion17%
G06NComputing arrangements based on specific computational models17%
H04LTransmission of digital information, e.g. telegraphic communication17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
11,115,486Data re-use across documents202111,080,477Form-based formula editing in spreadsheets20215,076,782'Control device for a fuel valve'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to BRIEM JAMES J (1)· patent assignee history
1991Patents assigned to CAMPBELL JOHNNY E (1)· patent assignee history
1991Based in House Springs, MO, US· patent location history
2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (2)· patent assignee history
2021Based in Woodinville, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT TECHNOLOGY LICENSING LLC22021
BRIEM JAMES J11991
CAMPBELL JOHNNY Eself11991
Locations
LocationPatentsSpan
Woodinville, Washington, US22021
House Springs, MO, US11991