US 6189857
FLUID-ACTUATED RAPID CLOSURE VALVE
Assignee
Filed
Apr 13, 1971
Granted
Feb 20, 2001
Location
PASSAIC NJ US
35 USC §181 Secrecy Order
Imposed
Mar 11, 1988
Rescinded
Jul 12, 1999
Duration
11 years, 4 months
Inventor
- 1LEROY ZEGER
Record Details
- Patent number
- US 6189857
- Application
- 05133714
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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Back to patent indexSource: USPTO 35 USC §181 secrecy order records