Number | Name | Date | Kind |
---|---|---|---|
D269546 | Rogers et al. | Jun 1983 | |
D287403 | Kiiski et al. | Dec 1986 | |
3972320 | Kalman | Aug 1976 | |
4108166 | Schmid | Aug 1978 | |
4256117 | Perica et al. | Mar 1981 | |
4295472 | Adams | Oct 1981 | |
4406290 | Walbeoffe-Wilson et al. | Sep 1983 | |
4409983 | Albert | Oct 1983 | |
4425921 | Fujisaki et al. | Jan 1984 | |
4799491 | Eckerle | Jan 1989 | |
4802488 | Eckerle | Feb 1989 | |
4928690 | Heilman et al. | May 1990 | |
4938228 | Righter et al. | Jul 1990 | |
5197489 | Conlan | Mar 1993 |
Number | Date | Country |
---|---|---|
2920965 | Nov 1979 | DEX |
Entry |
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"Inventors of Heart Monitor Tick Toward Prosperity . . . " (Oregon Business Journal), Brock, Sep. 17, 1990. |