Number | Date | Country | Kind |
---|---|---|---|
61-211493 | Sep 1986 | JPX | |
61-211491 | Sep 1986 | JPX | |
61-219060 | Sep 1986 | JPX | |
62-18652 | Jan 1987 | JPX | |
62-43947 | Feb 1987 | JPX | |
62-43948 | Feb 1987 | JPX | |
62-46766 | Mar 1987 | JPX | |
62-52173 | Mar 1987 | JPX | |
62-71774 | May 1987 | JPX | |
62-138936 | Jun 1987 | JPX | |
62-150228 | Jun 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
468654 | Gibbs | Feb 1892 | |
2857577 | Vanderpool | Oct 1958 | |
3530422 | Goodman | Sep 1970 | |
3727173 | Goldmann et al. | Apr 1973 | |
4487465 | Cherian | Dec 1984 | |
4643500 | Krumme | Feb 1987 |
Number | Date | Country |
---|---|---|
187667 | Aug 1986 | JPX |
Entry |
---|
IBM Bulletin, Brain, vol. 13, No. 11, p. 3567, 4-1971. |