Pocket Watch Database
Patent Archive
#452428
Patent Information
Time Stamp Automatic
Peter G. Giroud
May 19, 1891
Patent #452428
| Patent Number: | 452428 |
| Description: | Time Stamp Automatic |
| Inventor(s): | Peter G. Giroud |
| Assignee: | Colton Frank B |
| Patent Date: | May 19, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
