Inventor

Preston S. Du Pont

Inventor

Northridge, CA, US

Overview

2→

Patents

1986

Patent span

Electricity

Primary field (CPC H)

Patents· 2 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C08JWorking-up14%

H01QAntennas, i.e. radio aerials14%

H05KPrinted circuits14%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation14%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Y10TTechnical subjects covered by former us classification14%

PatentTitleYear

4,595,623'Fiber-reinforced syntactic foam composites and method of forming same'1986 4,592,925'Polyimide composition and method for protecting photoreactive cells'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HUGHES AIRCRAFT CO (2)· patent assignee history

1986Based in Northridge, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUGHES AIRCRAFT CO	2	1986

Locations

Location	Patents	Span
Northridge, California, US	2	1986