Inventor

Robert D. Campbell

Inventor
Seattle, WA, US

Overview

14→
Patents
1993–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

G06Fprimary
G06FElectric digital data processing24%
B60GVehicle suspension arrangements10%
B62DMotor vehicles10%
F16FSprings10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H04LTransmission of digital information, e.g. telegraphic communication7%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms3%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere3%
F16NLubricating3%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Based in Stamford, CT, US· patent location history
1999–2010Patents assigned to PUNCH NETWORKS CORP (4)· patent assignee history
1999Patents assigned to CHRYSLER CORP (3)· patent assignee history
1999–2010Based in Seattle, WA, US· patent location history
1999Based in Royal Oak, MI, US· patent location history
2016Patents assigned to CAMPBELL MICHAEL L (1)· patent assignee history
2016Patents assigned to CAMPBELL ROBERT D (1)· patent assignee history
2016Based in Flagstaff, AZ, US· patent location history
2019–2021Patents assigned to ORACLE INT CORP (2)· patent assignee history
2019–2021Based in Ottawa, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PUNCH NETWORKS CORP41999–2010
CHRYSLER CORP31999
ORACLE INT CORP22019–2021
CAMPBELL MICHAEL L12016
CAMPBELL ROBERT Dself12016
Locations
LocationPatentsSpan
Seattle, Washington, US41999–2010
Royal Oak, MI, US31999
Ottawa, CA22019–2021
Flagstaff, AZ, US12016
Stamford, CT, US11997