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| Number | Title | Issue Date |
| 5617871 | Spread spectrum telemetry of physiological signals A system for the transmission of physiological signals from a patient to a display analysis and/or recording device using a spread spectrum transmission technique to reduce interference with the detection of the transmitted physiological signal wherein mu... | 04/08/1997 |
| 5522812 | Combined dental syringe and needle shield A safety dental syringe of the type adapted to receive a medication cartridge therein but having a protective needle shield thereon which is movable between a retracted position wherein the needle is exposed and a locked and extended position wherein the ... | 06/04/1996 |
