Inventor

John M. Denison

Inventor

Westmount, CA

Overview

1→

Patents

1990

Patent span

Human necessities

Primary field (CPC A)

Patents· 1 as inventor

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

A01Nprimary

A01NPreservation of bodies of humans or animals or plants or parts thereof14%

A41GArtificial flowers14%

A61KPreparations for medical, dental or toiletry purposes14%

A61LMethods or apparatus for sterilising materials or objects in general14%

B29CShaping or joining of plastics14%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts14%

C08JWorking-up14%

PatentTitleYear

4,959,208'Active agent delivery device'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to PPG INDUSTRIES INC (1)· patent assignee history

1990Based in Westmount, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PPG INDUSTRIES INC	1	1990

Locations

Location	Patents	Span
Westmount, CA	1	1990