Pocket Watch Database
Patent Archive
#989714
Patent Information
Tool Stethoscope
Arcangelo Lepre
April 18, 1911
Patent #989714
| Patent Number: | 989714 |
| Description: | Tool Stethoscope |
| Inventor(s): | Arcangelo Lepre |
| Patent Date: | Apr 18, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
