Inventor

John Fletcher

Inventor
Oakville, CA

Overview

13→
Patents
1976–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C11Dprimary
C11DDetergent compositions30%
A61KPreparations for medical, dental or toiletry purposes13%
A61QSpecific use of cosmetics or similar toiletry preparations13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
D06BTreating textile materials using liquids, gases or vapours7%
D06PDyeing or printing textiles7%
Y10TTechnical subjects covered by former us classification7%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs3%
B22DCasting of metals3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to FLETCHER JOHN MILFORD (1)· patent assignee history
1976–1981Based in Opelika, AL, US· patent location history
1979Patents assigned to BRITISH STEEL CORP (1)· patent assignee history
1979Based in Sheffield, GB· patent location history
1981–1990Patents assigned to FLETCHER JOHN M (2)· patent assignee history
1990Based in London, GB· patent location history
2002–2005Patents assigned to COLGATE PALMOLIVE CO (9)· patent assignee history
2002–2005Based in Oakville, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLGATE PALMOLIVE CO92002–2005
FLETCHER JOHN Mself21981–1990
BRITISH STEEL CORP11979
FLETCHER JOHN MILFORDself11976
Locations
LocationPatentsSpan
Oakville, CA92002–2005
Opelika, AL, US21976–1981
London, GB11990
Sheffield, GB11979