Research/Patents/US 6420721
US 6420721

MODULATED INFRARED SOURCE

Assignee

LOCKHEED MARTIN CORPORATION, A MARYLAND CORPORATION

Filed

Jan 20, 1975

Granted

Jul 16, 2002

Location

Bethesda MD (defense contractors)

35 USC §181 Secrecy Order

Imposed

Jul 22, 1982

Rescinded

Sep 7, 2000

Duration

18 years, 1 month

Inventor

  • 1JOHN R. KREICK

Sensitive facility: Bethesda MD (defense contractors)

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records