Pocket Watch Database
Patent Archive
#200830
Patent Information
Clock Cosmographic
Etienne Lasnier
Charles Henard
March 5, 1878
Patent #200830
| Patent Number: | 200830 |
| Description: | Clock Cosmographic |
| Inventor(s): |
Etienne Lasnier Charles Henard |
| Patent Date: | Mar 5, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
