Number | Name | Date | Kind |
---|---|---|---|
2261667 | Stroszeck | Nov 1941 | |
3161858 | Sanders et al. | Dec 1964 | |
3858189 | Beausoleil et al. | Dec 1974 | |
3930304 | Keller et al. | Jan 1976 | |
3952291 | Bailey et al. | Apr 1976 | |
4035785 | Kryder | Jul 1977 | |
4078230 | George | Mar 1978 | |
4146867 | Blangeard | Mar 1979 | |
4150366 | Price | Apr 1979 |
Entry |
---|
IBM Technical Disclosure Bulletin-vol. 13, No. 5, Oct. 1970, p. 1105. |