Pocket Watch Database
Patent Archive
#781505
Patent Information
Clock Mystery Calendar
Philip Carlton Engle
January 31, 1905
Patent #781505
| Patent Number: | 781505 |
| Description: | Clock Mystery Calendar |
| Inventor(s): | Philip Carlton Engle |
| Patent Date: | Jan 31, 1905 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
