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| Number | Title | Issue Date |
| 4616634 | Soft tissue protector for use in oral and maxillofacial surgery A unitary instrument for protection and retraction of the soft tissues of the oral cavity during oral and maxillofacial surgery has a central handle part and active blade parts extending from the ends of the handle parts at different curvatures, with oppo... | 10/14/1986 |
| 4616633 | Retractor for use in oral and maxillofacial surgery An instrument for retracting soft tissue during oral and maxillofacial surgery has a handle, a palm engaging lesser blade at one end of the handle and a greater active blade which extends at an adjustable angle from the other end of the handle.... | 10/14/1986 |
| 4593910 | Board game A game is played by two teams of two players who are positioned about the four sides of a rotatable playing board. The play area of each player is shielded from the others by four vanes which extend radially at 90° spacings from a shaft mounted on the pl... | 06/10/1986 |
