Number | Date | Country | Kind |
---|---|---|---|
3435888 | Sep 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2071164 | Galvao | Feb 1937 | |
2892177 | Schenny | Jun 1959 | |
3054027 | Barrick et al. | Sep 1962 | |
3120418 | Deakin | Feb 1964 | |
3328745 | Paullus | Jun 1967 | |
3332048 | Renskers | Jul 1967 | |
3453575 | Davis | Jul 1969 | |
3470511 | Heinzen | Sep 1969 | |
3659254 | Cartwright | Apr 1972 | |
3932828 | Plunkett et al. | Jan 1976 | |
4105985 | Plunkett | Aug 1978 | |
4122424 | Plunkett | Oct 1978 | |
4394637 | Petroons | Jul 1983 |
Number | Date | Country |
---|---|---|
2758700 | Feb 1980 | DEX |
52684 | Jun 1942 | NLX |
1185679 | Mar 1970 | GBX |
Entry |
---|
IBM Technical Disclosure Bulletin, "Receptacle," Cargill et al., vol. 2, No. 4, Dec. 1959, 339-221, p. 14. |