US 8111584
OPTICAL SENSING ARRANGEMENTS
Assignee
PLESSEY OVERSEAS LIMITED, ILFORD, ESSEX, ENGLAND
Filed
Jun 11, 1987
Granted
Feb 7, 2012
Location
SOMERSET EN GB
35 USC §181 Secrecy Order
Imposed
Jan 18, 1989
Rescinded
Aug 11, 2011
Duration
22 years, 7 months
Inventor
- 1ROBERT J. LANGSTON
Record Details
- Patent number
- US 8111584
- Application
- 07068483
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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Back to patent indexSource: USPTO 35 USC §181 secrecy order records