Pocket Watch Database
Patent Archive
#208238
Patent Information
Chronometer Self Adjust Balance
Hein H. Heinrich
September 24, 1878
Patent #208238
| Patent Number: | 208238 |
| Description: | Chronometer Self Adjust Balance |
| Inventor(s): | Hein H. Heinrich |
| Patent Date: | Sep 24, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
