Number | Date | Country | Kind |
---|---|---|---|
7-234075 | Sep 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4276885 | Tickner et al. | Jul 1981 | |
5487390 | Cohen et al. | Jan 1996 | |
5488952 | Schoolman | Feb 1996 | |
5513640 | Yamazaki et al. | May 1996 |
Entry |
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Rubin et al., "Power Doppler expands standard color capability", Diagnostic Imaging, pp. 66-69, Dec. 1993. |