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Inventor

Douglas G. Cullum

Inventor
Wappingers Falls, NY, US

Overview

1→
Patents
1988
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B41Jprimary
B41JTypewriters50%
H01JElectric discharge tubes or discharge lamps50%
PatentTitleYear
4,737,644'Conductive coated semiconductor electrostatic deflection plates'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to IBM (1)· patent assignee history
1988Based in Wappingers Falls, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM11988
Locations
LocationPatentsSpan
Wappingers Falls, New York, US11988