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| Number | Title | Issue Date |
| 5002151 | Ear piece having disposable, compressible polymeric foam sleeve Disposably attached to the ear piece of a hearing aid, which includes any sound transmission device, is a user-disposable sleeve comprising soft polymeric retarded recovery foam that can be compressed to be freely insertable into a person's ear and allowe... | 03/26/1991 |
| 4995473 | Stethoscope with diaphragm head adapter A stethoscope head adapter for a diaphragm microphone is provided. The adapter creates a smaller surface area for the diaphragm microphone without diminishing the acoustical reception by the diaphragm of normal or pathological conditions in a patient. The... | 02/26/1991 |
| 4952177 | Clamp for electro-surgical dispersive electrode A clamp for releasably engaging dispersive electrodes is disclosed. The clamp is adaptable to be used either with electro-surgical generating equipment which has a unitary plate continuity safety circuit or with an electro-surgical generating equipment wh... | 08/28/1990 |
