Number | Name | Date | Kind |
---|---|---|---|
2486985 | Ruderfer | Nov 1949 | |
3880725 | Van Raalte | Apr 1975 | |
4354914 | Szeliga | Oct 1982 | |
4367123 | Beck | Jan 1983 | |
4507181 | Nath et al. | Mar 1985 | |
4828654 | Reed | May 1989 |
Number | Date | Country |
---|---|---|
208499 | Aug 1989 | JPX |
418299 | Aug 1974 | SUX |
703285 | Dec 1979 | SUX |
724308 | Mar 1980 | SUX |
Entry |
---|
Micro-plate/systems, the drilling machines, PCFAB, Feb. 1991, p. 46. |