Number | Name | Date | Kind |
---|---|---|---|
2607616 | Davidson | Aug 1952 | |
3030131 | Scherry | Apr 1962 | |
3801476 | Roschmann et al. | Apr 1974 | |
4035098 | Griffin | Jul 1977 | |
4166622 | Rager | Sep 1979 | |
4306259 | Saito | Dec 1981 | |
4358843 | Rager | Nov 1982 |
Entry |
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"Bifurcated Hub Key", IBM Technical Disclosure Bulletin, Bernard et al., Jun. 1979, vol. 22, No. 1. |