Number | Name | Date | Kind |
---|---|---|---|
3788307 | Kistner | Jan 1974 | |
3938509 | Barber | Feb 1976 | |
5020515 | Mann et al. | Jun 1991 | |
5058576 | Grim et al. | Oct 1991 | |
5205812 | Wasserman | Apr 1993 |
Entry |
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Orthopaedic Appliances Atlas, vol. I, p. 305 (1952). |
Zimmer Products (Encyclopedia of Products), 1978, p. 68. |