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Inventor

David W. Coffey

Inventor
Columbia, MD, US

Overview

4→
Patents
1998–2000
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

C30Bprimary
C30BSingle-crystal growth33%
G02BOptical elements, systems or apparatus33%
F41GWeapon sights17%
G01SRadio direction-finding17%
PatentTitleYear
6,097,481'Bang-bang laser spot tracker'20005,837,054'Crystals for ultraviolet light filters'19985,788,765'Crystals for ultraviolet light filters'19985,742,428'Crystals for ultraviolet light filters'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to NORTHROP GRUMMAN CORP (4)· patent assignee history
1998Based in Columbia, MD, US· patent location history
2000Based in Westminster, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN CORP41998–2000
Locations
LocationPatentsSpan
Columbia, Maryland, US31998
Westminster, Maryland, US12000