Pocket Watch Database
Patent Archive
#465683
Patent Information
Time Stamp
Frederick H. Symonds
December 22, 1891
Patent #465683
| Patent Number: | 465683 |
| Description: | Time Stamp |
| Inventor(s): | Frederick H. Symonds |
| Patent Date: | Dec 22, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
