Number | Date | Country | Kind |
---|---|---|---|
59-115401 | Jun 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2655453 | Sandberg | Oct 1953 | |
3558418 | Porter et al. | Jan 1971 | |
4107380 | Wiesman | Aug 1978 | |
4257422 | Duncan | Mar 1981 | |
4286597 | Gajewski et al. | Sep 1981 | |
4300559 | Gajewski et al. | Nov 1981 | |
4478961 | Tanaka et al. | Oct 1984 | |
4490420 | Yoshida | Dec 1984 | |
4501783 | Hiragami et al. | Feb 1985 | |
4507123 | Yoshida | Mar 1985 |
Entry |
---|
Jahn, U.S. Def. Pub. T957,009, 4/5/77. |