Number | Name | Date | Kind |
---|---|---|---|
1187218 | Wister | Jun 1916 | |
1348987 | Fischer | Aug 1920 | |
3329063 | Ehrenburg et al. | Jul 1967 | |
3610222 | Hartman | Oct 1971 | |
4250862 | Speer | Feb 1981 | |
4345578 | Speer | Aug 1982 | |
5450838 | Nakahigashi et al. | Sep 1995 | |
5640945 | Slonaker et al. | Jun 1997 | |
5655510 | Kunimoto | Aug 1997 |
Entry |
---|
Popular Science, p. 172, Mar. 1952. |