Inventor

Jerald D. Lee

Inventor

Mendenhall, PA, US

Overview

18→

Patents

1976–2011

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus21%

Y10TTechnical subjects covered by former us classification14%

B01LChemical or physical laboratory apparatus for general use11%

G01NInvestigating or analysing materials by determining their chemical or physical properties11%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

B41JTypewriters4%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems4%

G01SRadio direction-finding4%

G06KGraphical data reading4%

PatentTitleYear

7,968,856'Fluorometer with low heat-generating light source'2011 7,109,495'Fluorometer with low heat-generating light source'2006 6,852,986'Fluorometer with low heat-generating light source'2005 5,404,417'Apparatus for positioning the center of an optical fiber along a predetermined reference axis'1995 5,393,561'Segmented waveguides having selected bragg reflection characteristics'1995 5,377,289'Optical fiber connector having an apparatus for positioning the center of an optical fiber along a predetermined reference axis'1994 5,243,676'Segmented waveguides having selected Bragg reflection characteristics'1993 5,243,673'Opto-electronic component having positioned optical fiber associated therewith'1993 5,175,776'Optical fiber switch'1992 5,133,030'Fiber optic switch having a curved reflector'1992 4,911,520'Fiber optic switch and method of making same'1990 4,814,606'Photodetector assembly for a laser scanning apparatus'1989 4,698,649'Apparatus for controlling the velocity of a member in a digital printing system'1987 4,449,821'Process colorimeter'1984 4,412,744'Absolute spectrophotometer'1983 4,282,431'Bar code scanner'1981 4,048,493'Light-sensitive control for colored light projector'1977 3,935,454'Electron collection in electron spectrometers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2011Patents assigned to DU PONT (16)· patent assignee history

1976Based in Wilmington, DE, US· patent location history

1977–2011Based in Mendenhall, PA, US· patent location history

1987Based in Medenhall, PA, US· patent location history

1992Patents assigned to BT & D TECHNOLOGIES LTD (1)· patent assignee history

1992Patents assigned to LEE JERALD D (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	16	1976–2011
BT & D TECHNOLOGIES LTD	1	1992
LEE JERALD Dself	1	1992

Locations

Location	Patents	Span
Mendenhall, Pennsylvania, US	16	1977–2011
Medenhall, Pennsylvania, US	1	1987
Wilmington, Delaware, US	1	1976