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Inventor

John G. Wilman

Inventor
Hopewell Junction, NY, US

Overview

3→
Patents
1986–1994
Patent span
Physics
Primary field (CPC G)

Patents· 3 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%
G01KMeasuring temperature17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
H01JElectric discharge tubes or discharge lamps17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
5,325,181'Nulling optical bridge for measurement of changes in reflectivity and/or transmissivity'19945,022,765'Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity'19914,587,464'Electron beam control system'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1994Patents assigned to IBM (3)· patent assignee history
1986–1994Based in Hopewell Junction, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM31986–1994
Locations
LocationPatentsSpan
Hopewell Junction, New York, US31986–1994