Pocket Watch Database
Patent Archive
#449192
Patent Information
Time Stamp
Henry Abbott
March 31, 1891
Patent #449192
| Patent Number: | 449192 |
| Description: | Time Stamp |
| Inventor(s): | Henry Abbott |
| Patent Date: | Mar 31, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
