This application is a continuation-in-part of application Ser. No. 08/425,848 filed Apr. 20, 1995, now U.S. Pat. No. 5,567,351, which is a continuation-in-part of Ser. No. 08/189,012, filed Jan. 28, 1995, now abandoned, which is a continuation-in-part of application Ser. No. 07/999,637, filed Dec. 31, 1992, now abandoned, the disclosures of which are hereby incorporated by reference.
The United States Government has rights in this invention pursuant to U.S. Government Contract No. DAAL01-92-C-0241.
Number | Name | Date | Kind |
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5531926 | Qi et al. | Jul 1996 |
Number | Date | Country | |
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Parent | 425848 | Apr 1995 | |
Parent | 189012 | Jan 1994 | |
Parent | 999637 | Dec 1992 |