This is a continuation-in-part and division of U.S. Pat. Application Ser. No. 640,928 filed Aug. 15, 1984, now U.S. Pat. No. 4,643,854, which is a continuation-in-part of U.S. Pat. Application Ser. No. 371,662 filed Apr. 26, 1982, now abandoned.
Invention described herein was made in the performance of work under a NASA Contract and is subject to the provisions of Section 305 of the National Aeronautics and Space Act of 1958, Public Law 5-568 (72 Stat. 435; 42 USC 2457).
Number | Name | Date | Kind |
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4163637 | Hendricks | Aug 1979 | |
4218416 | Gokcen | Aug 1980 | |
4238435 | Liebisch | Dec 1980 | |
4279632 | Frosch et al. | Jul 1981 | |
4303431 | Torobin | Dec 1981 | |
4333906 | Porter et al. | Jun 1982 | |
4344787 | Wang et al. | Aug 1982 | |
4608212 | Isner | Aug 1986 |
Number | Date | Country | |
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Parent | 640928 | Aug 1984 | |
Parent | 371662 | Apr 1982 |