Pocket Watch Database
Patent Archive
#209458
Patent Information
Clock Calendar
A. M. Carlsen
October 29, 1878
Patent #209458
| Patent Number: | 209458 |
| Description: | Clock Calendar |
| Inventor(s): | A. M. Carlsen |
| Patent Date: | Oct 29, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
