Pocket Watch Database
Patent Archive
#412902
Patent Information
Time Stamp
Charles H. Shaw
October 15, 1889
Patent #412902
| Patent Number: | 412902 |
| Description: | Time Stamp |
| Inventor(s): | Charles H. Shaw |
| Patent Date: | Oct 15, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
