Pocket Watch Database
Patent Archive
#223220
Patent Information
Minute Count Attach For Chronograph
Paul Matthey Doret
January 6, 1880
Patent #223220
| Patent Number: | 223220 |
| Description: | Minute Count Attach For Chronograph |
| Inventor(s): | Paul Matthey Doret |
| Patent Date: | Jan 6, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
