Number | Date | Country | Kind |
---|---|---|---|
59-274316 | Dec 1984 | JPX | |
60-80072 | Apr 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1929448 | Ritz | Oct 1933 | |
4119385 | Watanabe et al. | Oct 1978 | |
4340315 | Teichmann et al. | Jul 1982 | |
4469454 | Crean | Sep 1984 |
Number | Date | Country |
---|---|---|
2503017 | Jul 1975 | DEX |
71185 | Apr 1983 | JPX |
54587 | Mar 1984 | JPX |
Entry |
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Purcell et al, "Daisy Wheel . . . Visibility", IBM Technical Disclosure Bulletin, vol. 25, No. 4, pp. 2157-2158, 9/82. |