"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 5218969 | Intelligent stethoscope An intelligenet stethoscope for performing auscultation and for automatically diagnosing abnormalities based on body sounds is described in which the body sounds are received, digitized and stored in memory. The body sounds are recorded from a plurality o... | 06/15/1993 |
| 5213108 | Visual display stethoscope An visual display stethoscope for use in the auscultation of body sounds is disclosed. The stethoscope is adapted for display, manipulation and analysis of the received body sounds. The present invention includes a stethoscope electronically coupled to a ... | 05/25/1993 |