Pocket Watch Database
Patent Archive
#805436
Patent Information
Metronome
Ludwig Aurnhammer
November 28, 1905
Patent #805436
| Patent Number: | 805436 |
| Description: | Metronome |
| Inventor(s): | Ludwig Aurnhammer |
| Patent Date: | Nov 28, 1905 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
