Research/Patents/US 6304325
US 6304325

VARIABLE SHEAR A. C. INTERFEROMETER

Assignee

HUGHES DANBURY OPTICAL SYSTEMS, INC.

Filed

Jan 12, 1978

Granted

Oct 16, 2001

Location

MA US

35 USC §181 Secrecy Order

Imposed

Apr 13, 1989

Rescinded

Jun 12, 2000

Duration

11 years, 2 months

Inventor

  • 1JOHN W. HARDY

Record Details

Patent number
US 6304325
Application
05868951
Aerospace match
No
Dataset source
35 USC §181 SO records
Back to patent indexSource: USPTO 35 USC §181 secrecy order records