LexDanaLexDanabeta
Inventor

David Ascroft

Inventor
Welwyn Garden City, GB

Overview

2→
Patents
1998–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Fprimary
H01FMagnets50%
H04NPictorial communication, e.g. television50%
PatentTitleYear
9,729,748'Multi-function printing device having light guides between printing engine and scanner for measurement of print engine or other parameters'20175,835,000'Current transformer assemblies'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to SMITHS INDUSTRIES PLC (1)· patent assignee history
1998Based in Prestbury, GB· patent location history
2017Patents assigned to XEROX CORP (1)· patent assignee history
2017Based in Welwyn Garden City, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITHS INDUSTRIES PLC11998
XEROX CORP12017
Locations
LocationPatentsSpan
Welwyn Garden City, GB12017
Prestbury, GB11998