LexDanaLexDanabeta
Inventor

Joseph A. Ratkovic

Inventor
Playa Del Rey, CA, US

Overview

3→
Patents
2003–2005
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F41Gprimary
F41GWeapon sights43%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition14%
G01CMeasuring distances, levels or bearings14%
G01SRadio direction-finding14%
G05DSystems for controlling or regulating non-electric variables14%
PatentTitleYear
6,883,747'Projectile guidance with accelerometers and a GPS receiver'20056,779,752'Projectile guidance with accelerometers and a GPS receiver'20046,573,486'Projectile guidance with accelerometers and a GPS receiver'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2005Patents assigned to NORTHROP GRUMMAN CORP (3)· patent assignee history
2003Based in Los Angeles, CA, US· patent location history
2004–2005Based in Playa Del Rey, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN CORP32003–2005
Locations
LocationPatentsSpan
Playa Del Rey, California, US22004–2005
Los Angeles, California, US12003