Inventor

David Harold Drewry

Inventor
Durham, NC, US

Overview

12→
Patents
1993–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C07Dprimary
C07DHeterocyclic compounds44%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations37%
C07CAcyclic or carbocyclic compounds7%
A61KPreparations for medical, dental or toiletry purposes4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C07KPeptides4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to GLAXO INC (2)· patent assignee history
1993–2011Based in Durham, NC, US· patent location history
2000–2001Patents assigned to GLAXO WELLCOME INC (2)· patent assignee history
2004–2009Patents assigned to SMITHKLINE BEECHAM CORP (7)· patent assignee history
2011Patents assigned to GLAXOSMITHKLINE LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITHKLINE BEECHAM CORP72004–2009
GLAXO INC21993–1994
GLAXO WELLCOME INC22000–2001
GLAXOSMITHKLINE LLC12011
Locations
LocationPatentsSpan
Durham, NC, US121993–2011