Number | Date | Country | Kind |
---|---|---|---|
199 49 607 | Oct 1999 | DE |
Number | Name | Date | Kind |
---|---|---|---|
3996551 | Croson | Dec 1976 | A |
4150366 | Price | Apr 1979 | A |
4200970 | Schonberger | May 1980 | A |
4201970 | Onyshkevych | May 1980 | A |
4586988 | Nath et al. | May 1986 | A |
4947020 | Imamura et al. | Aug 1990 | A |
5363084 | Swinehart | Nov 1994 | A |
Number | Date | Country |
---|---|---|
2039920 | Feb 1972 | DE |
Entry |
---|
IBM Technical Disclosure Bulletin vol. 30 No. 4 Sep. 1987 p. 1571-1573. |