Number | Date | Country | Kind |
---|---|---|---|
60-268141 | Nov 1985 | JPX | |
60-183327[U] | Nov 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1835251 | Wetstein | Dec 1931 | |
1899360 | Roudebush et al. | Feb 1983 | |
2760174 | Burtt et al. | Aug 1956 | |
3329925 | Johnson et al. | Jul 1967 | |
3398390 | Long | Aug 1968 | |
3566336 | Johnson et al. | Feb 1971 | |
4460230 | McKee et al. | Jul 1984 | |
4619493 | Kikuta | Oct 1986 |
Number | Date | Country |
---|---|---|
62362 | Jun 1968 | DDX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 16, No. 12, May 1974, "Spring Retainer", Evans, R. T. |