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| Number | Title | Issue Date |
| 5464144 | Surgical apparatus with indicator An apparatus and system are disclosed for indicating relative positions of elements in a surgical apparatus. The indicating elements can include electrical circuitry for activating visual, audible or tactile indicators, thereby alerting the user that an e... | 11/07/1995 |
| 4275718 | Pelvic device A pelvic device which includes a pair of pads, one pad of which can be located in opposed relationship to the pubic bone and the other pad in opposed relationship to the lower sacrum. Each pad is rotatably connected to a connecting bar. Each connecting ba... | 06/30/1981 |
