Pocket Watch Database
Patent Archive
#923094
Patent Information
Metronome
Ernest R. Hunter
Charles A. White
May 25, 1909
Patent #923094
| Patent Number: | 923094 |
| Description: | Metronome |
| Inventor(s): |
Ernest R. Hunter Charles A. White |
| Patent Date: | May 25, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
