Number | Date | Country | Kind |
---|---|---|---|
60-73817 | Apr 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4189771 | Roeuer | Feb 1980 | |
4224664 | Trinchieri | Sep 1983 | |
4318182 | Bachman et al. | Mar 1982 | |
4403285 | Kikuchi | Sep 1983 | |
4627019 | Ng | Dec 1986 |
Entry |
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J. W. Havender, "Avoiding Deadlock In Multitasking Systems", 1968. |