Pocket Watch Database
Patent Archive
#373138
Patent Information
Clock Synch Apparatus
Charles John Hexamer
November 15, 1887
Patent #373138
| Patent Number: | 373138 |
| Description: | Clock Synch Apparatus |
| Inventor(s): | Charles John Hexamer |
| Patent Date: | Nov 15, 1887 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
