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Inventor

John A. Chang

Inventor
Paris, FR

Overview

4→
Patents
1994–1997
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels80%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,643,242'Absorbent articles providing sustained dynamic fit'19975,634,916'Absorbent articles providing sustained dynamic fit'19975,484,636'Sanitary napkin wrapper and adhesive tab construction for the same'19965,358,500'Absorbent articles providing sustained dynamic fit'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to PROCTER & GAMBLE (4)· patent assignee history
1994–1997Based in Paris, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE41994–1997
Locations
LocationPatentsSpan
Paris, FR41994–1997