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Inventor

Thomas J. Keane

Inventor
Gaithersburg, MD, US

Overview

6→
Patents
1989–1998
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
5,754,283'Color measuring device having interchangeable optical geometries'19985,040,889'Spectrometer with combined visible and ultraviolet sample illumination'19914,936,684'Spectrometer with photodetector array detecting uniform bandwidth intervals'19904,932,779'Color measuring instrument with integrating sphere'19904,916,309'Appliance for converting reflectance measuring instrument into a transmittance measuring instrument'19904,886,355'Combined gloss and color measuring instrument'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to KEANE THOMAS J (1)· patent assignee history
1989–1998Based in Gaithersburg, MD, US· patent location history
1990Patents assigned to BYK GARDNER INC (2)· patent assignee history
1990–1991Patents assigned to PACIFIC SCIENTIFIC CO (2)· patent assignee history
1991Based in Sterling, VA, US· patent location history
1998Patents assigned to BYK GARDNER USA DIVISION OF AT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BYK GARDNER INC21990
PACIFIC SCIENTIFIC CO21990–1991
BYK GARDNER USA DIVISION OF AT11998
KEANE THOMAS Jself11989
Locations
LocationPatentsSpan
Gaithersburg, Maryland, US51989–1998
Sterling, Virginia, US11991