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Rescinded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
Browse by Assignee
SECRETARY OF STATE FOR DEFENCE, THE, WHITEHALL, LONDON SW1A 2HBBack to patent indexSource: USPTO 35 USC §181 secrecy order records