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Research/Patents/US 6309994
US 6309994

FIBER REINFORCED COMPOSITE HAVING AN ALUMINUM PHOSPHATE BONDED MATRIX

Assignee

ALUMINUM COMPANY OF AMERICA

Filed

Aug 14, 1989

Granted

Oct 30, 2001

Location

PENN HILLS PA US

35 USC §181 Secrecy Order

Imposed

Mar 12, 1991

Rescinded

Mar 3, 1999

Duration

7 years, 11 months

Inventor

  • 1ROBERT A. MARRA

External Sources

Google Patents — US 6309994USPTO Full Patent (PDF)Browse active SO patents

Record Details

Patent number
US 6309994
Application
07393299
Aerospace match
No
Dataset source
35 USC §181 SO records

Browse by Assignee

ALUMINUM COMPANY OF AMERICA
Back to patent indexSource: USPTO 35 USC §181 secrecy order records