Pocket Watch Database
Patent Archive
#391705
Patent Information
Calendar
Henry S. Hack
October 23, 1888
Patent #391705
| Patent Number: | 391705 |
| Description: | Calendar |
| Inventor(s): | Henry S. Hack |
| Assignee: | Hack Emily F |
| Patent Date: | Oct 23, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
