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| Number | Title | Issue Date |
| 4878906 | Endoprosthesis for repairing a damaged vessel A prosthesis consisting of a flexible thin-walled sleeve for reinforcing and repairing a damaged vessel and a process of placing the flexible sleeve in the vessel by collapsing the sleeve radially onto an expandable and contractable member and encasing th... | 11/07/1989 |
| 4874382 | Safety syringe A safety syringe includes a protective sheath disposed within the interior of the body portion of the syringe. A needle extends from the body portion of the syringe when the syringe is in an armed condition. A biasing mechanism, such as a stretched coiled... | 10/17/1989 |