Research/Patents/US 6494139
US 6494139

HOLE BORING CHARGE ASSEMBLY

Assignee

SECRETARY OF STATE FOR DEFENCE, THE, WHITEHALL, LONDON SW1A 2HB

Filed

Jan 9, 1990

Granted

Dec 17, 2002

Location

KENT GB

35 USC §181 Secrecy Order

Imposed

Jul 6, 1990

Rescinded

Apr 12, 2002

Duration

11 years, 9 months

Inventor

  • 1KEVIN M. POWELL

Record Details

Patent number
US 6494139
Application
07466712
Aerospace match
No
Dataset source
35 USC §181 SO records
Back to patent indexSource: USPTO 35 USC §181 secrecy order records