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Inventor

Jack J. Duffield

Inventor
Sunnyvale, CA, US

Overview

2→
Patents
1977–1996
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.

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light33%
H01JElectric discharge tubes or discharge lamps33%
H05GX-ray technique33%
PatentTitleYear
5,541,975'X-ray tube having rotary anode cooled with high thermal conductivity fluid'19964,025,196'Asymmetric double pass grating monochromator'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to VARIAN ASSOCIATES (1)· patent assignee history
1977Based in Monrovia, CA, US· patent location history
1996Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VARIAN ASSOCIATES11977
Locations
LocationPatentsSpan
Sunnyvale, California, US11996
Monrovia, California, US11977