Inventor

Steven E. Havelka

Inventor
Los Angeles, CA, US

Overview

5→
Patents
1976–2011
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein19%
G09FDisplaying13%
B63BShips or other waterborne vessels6%
B63HMarine propulsion or steering6%
F03BMachines or engines for liquids6%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
G02BOptical elements, systems or apparatus6%
G04GElectronic time-pieces6%
G06FElectric digital data processing6%
H05KPrinted circuits6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to ELECTRONIC MEMORIES & MAGNETIC (1)· patent assignee history
1976Based in Playa Del Rey, CA, US· patent location history
2007Patents assigned to NORTHROP GRUMMAN CORP (3)· patent assignee history
2007–2011Based in Los Angeles, CA, US· patent location history
2011Patents assigned to LITTON SYSTEMS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN CORP32007
ELECTRONIC MEMORIES & MAGNETIC11976
LITTON SYSTEMS INC12011
Locations
LocationPatentsSpan
Los Angeles, California, US42007–2011
Playa Del Rey, California, US11976