Number | Date | Country | Kind |
---|---|---|---|
TO94A0007 | Jan 1994 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
1739946 | Carhart | Dec 1929 | |
2393398 | Nabstedt | Jan 1946 | |
2465538 | Jensen | Mar 1949 | |
2738045 | Mergan et al. | Mar 1956 | |
3679033 | Wagner | Jul 1972 | |
4376614 | Woodruff | Mar 1983 | |
4642029 | Cedoz | Feb 1987 |
Number | Date | Country |
---|---|---|
2604228 | Mar 1988 | FRX |
2008206 | May 1979 | GBX |
Entry |
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US 7041387 (NASA) Whole document filed Apr. 23, 1987. |
Search report listing references. |