Inventor

Barry F. Dowden

Inventor

Romsey, GB

Overview

2→

Patents

1985–1986

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein50%

G09GArrangements or circuits for control of indicating devices using static means to present variable information25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

4,575,190'Hermetic electro-optic display cell'1986 4,526,441'Method and electrolytic display for selectively displaying an image'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to IBM (2)· patent assignee history

1985–1986Based in Romsey, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	2	1985–1986

Locations

Location	Patents	Span
Romsey, GB	2	1985–1986