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Inventor

John Christison

Inventor
Mississauga, CA

Overview

4→
Patents
1977–2003
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 vessels30%
A61LMethods or apparatus for sterilising materials or objects in general30%
B21FWorking or processing of metal wire10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
6,639,119'Absorbent article including a reducing agent for feces'20036,395,955'Diaper including feces modification agent'20025,998,695'Absorbent article including ionic complexing agent for feces'19994,062,160'Lath having spider web-like elastomeric backing'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to EXPANDED METAL (1)· patent assignee history
1977Based in Kinross, SC· patent location history
1999–2003Patents assigned to PROCTER & GAMBLE (3)· patent assignee history
1999Based in Missisauga, CA· patent location history
2002–2003Based in Mississauga, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE31999–2003
EXPANDED METAL11977
Locations
LocationPatentsSpan
Mississauga, CA22002–2003
Missisauga, CA11999
Kinross, SC11977