Number | Name | Date | Kind |
---|---|---|---|
3193835 | Wadey | Jul 1965 | |
3668658 | Flores et al. | Jun 1972 | |
3823416 | Warner | Jul 1974 | |
3855625 | Garnier et al. | Dec 1974 | |
3872507 | Sand et al. | Mar 1975 | |
3956771 | Barnes et al. | May 1976 | |
4089029 | Castrodale | May 1978 | |
4110804 | Castrodale et al. | Aug 1978 |
Entry |
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IBM Tech. Disc. Bull., Aug. 1977, p. 1202, McWhinney, Trirail Slider with Low-Profile Center Rail. |