Inventor

Keith Marshall

Inventor
Berthoud, CO, US

Overview

4→
Patents
1993–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

G01Dprimary
G01DMeasuring not specially adapted for a specific variable17%
G06FElectric digital data processing17%
H03GControl of amplification17%
H04BTransmission17%
H04NPictorial communication, e.g. television17%
H04WWireless communication networks17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to ORBITEL MOBILE COMMUNICATIONS (1)· patent assignee history
1993Based in Basingstoke, GB· patent location history
2004–2005Patents assigned to IBM (2)· patent assignee history
2004–2005Based in Berthoud, CO, US· patent location history
2020Patents assigned to CMR SURGICAL LTD (1)· patent assignee history
2020Based in Cambridge, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM22004–2005
CMR SURGICAL LTD12020
ORBITEL MOBILE COMMUNICATIONS11993
Locations
LocationPatentsSpan
Berthoud, CO, US22004–2005
Cambridge, GB12020
Basingstoke, GB11993