Number | Name | Date | Kind |
---|---|---|---|
4690175 | Ouchi | Sep 1987 | |
4834518 | Barber | May 1989 | |
4841949 | Shimizu et al. | Jun 1989 | |
4972828 | Ito | Nov 1990 | |
4991565 | Takahashi et al. | Feb 1991 |
Number | Date | Country |
---|---|---|
2503646 | Aug 1976 | DEX |
Entry |
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Drawing of Model MR-6 by American Cystoscope Makers Inc. |