James McLean is issued a patent for a piano.
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| Number | Title | Issue Date |
| 5189064 | Treatment of cocaine addiction Cocaine addiction is treated by administration of an endorphinase or enkephalinase inhibitor, and optionally, a dopamine precursor, or a serotonin precursor, a GABA precursor, or an endorphin or enkephalin releaser. These components promote restoration of... | 02/23/1993 |