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Historical records matching Doctor David Littmann
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About Doctor David Littmann
Dr. David Littmann, a Harvard Medical School professor, distinguished cardiologist and recognized international authority on electrocardiography, patented a revolutionary new stethoscope with vastly improved acoustical performance. He helped to transform a simple listening device into a powerful diagnostic tool. 3M acquired Dr. Littmann's stethoscope business a few years later and continued to refine and improve on his designs.
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Doctor David Littmann's Timeline
| 1906 |
July 28, 1906
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Chelsea, Suffolk County, Massachusetts, United States
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| 1934 |
May 8, 1934
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Medford, Middlesex County, Massachusetts, United States
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| 1981 |
January 1, 1981
Age 74
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Boston, Suffolk County, Massachusetts, United States
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