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Inventor

David Richard Hayman

Inventor
Twickenham, GB

Overview

2→
Patents
2005–2009
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A45Dprimary
A45DHairdressing or shaving equipment100%
PatentTitleYear
7,597,106'Hair treatment applicator'20096,980,888'Method and apparatus for predicting the result of a coloration'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2009Patents assigned to PROCTER & GAMBLE (2)· patent assignee history
2005Based in Staines, GB· patent location history
2009Based in Twickenham, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE22005–2009
Locations
LocationPatentsSpan
Twickenham, GB12009
Staines, GB12005