Inventor

John E. Bigelow

Inventor

Clifton Park, NY, US

Overview

12→

Patents

1976–1999

Patent span

Physics

Primary field (CPC G)

Patents· 12 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 therein20%

H03KPulse technique20%

G06FElectric digital data processing13%

G09GArrangements or circuits for control of indicating devices using static means to present variable information13%

B41JTypewriters7%

G02BOptical elements, systems or apparatus7%

G09FDisplaying7%

H01JElectric discharge tubes or discharge lamps7%

H04NPictorial communication, e.g. television7%

PatentTitleYear

5,951,135'Color image projection system'1999 4,581,608'Multi-color liquid crystal display and system'1986 4,571,585'Matrix addressing of cholesteric liquid crystal display'1986 4,264,903'Capacitive touch control and display'1981 4,233,593'Capacitive touch control and display'1980 4,171,874'Evenly illuminated display devices'1979 4,158,216'Capacitive touch control'1979 4,129,390'Stacked blade matrix printer heads'1978 4,128,787'DC Pop with varistor connected between control circuit and cathode'1978 4,093,356'Transflective liquid crystal display'1978 4,082,949'Variable intensity fluorescent display'1978 3,955,187'Proportioning the address and data signals in a r.m.s. responsive display device matrix to obtain zero cross-talk and maximum contrast'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to GEN ELECTRIC (11)· patent assignee history

1976–1986Based in Clifton Park, NY, US· patent location history

1978–1999Based in Rexford, NY, US· patent location history

1981Based in Saratoga, NY, US· patent location history

1999Patents assigned to RAYCHEM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	11	1976–1986
RAYCHEM CORP	1	1999

Locations

Location	Patents	Span
Clifton Park, New York, US	8	1976–1986
Rexford, New York, US	3	1978–1999
Saratoga, New York, US	1	1981