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Inventor

David Hemsley

Inventor
Rickmansworth, GB

Overview

3→
Patents
1996–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels50%
A61BDiagnosis25%
G01RMeasuring electric variables25%
PatentTitleYear
6,497,713'Rotary tissue cutting die'20026,334,873'Heart valve having tissue retention with anchors and an outer sheath'20025,525,904'Determination of rock core characteristics'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to OXFORD INSTR LTD (1)· patent assignee history
1996Based in Drayton, GB· patent location history
2002Patents assigned to AUTOGENICS (2)· patent assignee history
2002Based in Rickmansworth, GB· patent location history
2002Based in Hertz, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AUTOGENICS22002
OXFORD INSTR LTD11996
Locations
LocationPatentsSpan
Rickmansworth, GB12002
Hertz, GB12002
Drayton, GB11996